as far as... is concerned 就...而言

it goes without saying that... 不言而喻

it can be said with certainty that... 可以肯定地说

as the proverb says... 正如谚语所说的

it has to be noticed that 

its generally recognized that

its likely that

its hardly too much to say that... 它几乎没有太多的说

what calls for special attention is that 需要特别注意的是

theres no denying the fact that 毫无疑问

nothing is more important than the fact that

whats far more important is that

a case in point is

as is often the case

as stated in the previous paragraph

but the problem is not so simple， therefore

but its a pity that

for all that 对于这一切... in spite of the fact that ...尽管事实...

further， we hold opinion that 此外 我们坚持认为

however，the difficulty lies in 然而困难在于

similarly， we should pay attention to...

not(that)...but(that)...不是，而是

in view of the present station 鉴于目前形势

as has been mentioned above 正如上面所提到的

in this respect，we may as well say

however，we have to look at the other side of the coin，that is...

i will conclude by saying 最后我要说

therefore，we have the reason to believe that

all things considered 

it may be safely said that很有把握地说

therefore，in my opinion，its more advisable 

from what has been discussed above，we may safely draw the conclusion that

the date/satistics/figures lead us to conclusion that

it can be conclued from the discussion that

from my point of view， it would be better if

lets take the above chart as an example to illustrate this

here is one more example

take ... for example

the same is true of

this offers a typical instance of

we may quote a common example of

just think of

some people think that... to be frank，i can not agree with their opinion for the reasons below

for years，...has been seen as... but things are quite different now.

i believe that title statement is valid because

i cannot entirely agree with the idea that

my argument for this view goes as follows

along with the development of... more and more 随着...的发展，越来越多...

there is a long-running debate as to whether... 

it is commonly/generally/widely/believed/held/accepted/recognized that 

as far as i am concerned，i completely agree with the former/the latter

before giving my opinion，i think it is essential to look at the argument of both sides.

a is completely/totally/entirely different from b

a and b are different in some/every way/respect/aspect

a and b differ in

a differs from b in

the difference between a and b is/lies in/exists in...

compared with/in contrast to/unlike a, b...

a...,on the other hand,/in contrast,/while/whereas b...

while it is generally believed that a...，i believe b

despite their similarities，a and b are also different

both a and b... however，a...；on the other hand，b

the most striking difference is that a...， while b

there are several reasons for..., but in general, they come down to three major ones.

there are many factors that may account for，but the following are the most typical ones.

many ways can contribute to solving this problem，but the following ones may be most effective

generally，the advantages can be listed as follows

the reason are as follows

because/since we read the book，we have learned a lot 

if we read the book，we should learn a lot

we read the book；as a result/therefore/thus/hence/consequently/for this reason/because of this，we have learned a lot

the cause of/reason for/overweight is eating too much

overweight is caused by/due to/because of eating too much

the effect/consequnce/result of eating too much is overweight

eating too much causes/results in/leads to overweight

there are different opinions among people as to  ______,some people sugguest that______

there is an old saying______,its the experience of our forefathers, however,it is correct in many cases even today.

today,______，which have brought a lot of harms in our daily life.first....second....,what makes things worse is that ....

nowadays, it is common to______。many people like_______ because_______,besides,______

everything has two sides and_______ is not an exception，it has both advantages and disadvantages.

people's opinions about ______ vary from person to person. some people say that_____. to them______

man is now facing a big problem_______which is becoming more and more serious.

_______has become a hot topic among people, especially among the young and heated debates are right on their way

_______has been playing an increasingly important role in our day-to-day life. it has brought us a lot of benefits but has created some serious problems as well.

according to the figure/number/statistics/percentages in the chart/bar graph/line/graph, it can be seen that______while, obviously,_______b

on the contrary, there are some people in favor of ______.at the same time, they say_____.

but i don't think it is a very good way to solve_____. for example,______worst of all,______

_______is necessary and important to our country 's development and construction. first,______ what's more,______most important of all,_____

there are several measures for us to adopt. first, we can______.

confronted with_____, we should take a series of effective measures to_______. for one thing, ______for another,______

it is high time that something was done about it. for example._______ in addition,______all these measures will certainly_______

why_____? the first reason is that ______ the second reason is _______. the third is _______. for all this, the main cause of______ due to ______

however,  just like everything has both its good and bad sides,______also has its own disadvantages ,such as______

nonetheless, i believe that______is more advantageous.

i fully agree with the statement that_______ because _______

as far as i am concerned, i agree with the latter opinion to some extent. i think that______

In a word, the whole society should pay close attention to the problem of _______.only in this way can________ in the future.

but______and_______have their own advantages. for example,_______,while________. comparing this with that, however, i prefer to ______

personally, i believe that________

consequently, I'm confident that a bright future is awaiting us because________

with the development of society,________so its urgent and necessary to _______.if every member is willing to contribute himself to the society. it will be better and better.

for my part, i think it reasonable to _______

only in this way can you______

in my opinion, i think it necessary to ______ the reasons are as follows. first______

second_______ last but not least_______

it is difficult to say whether_______ is good or not in general as it depends very much on the situation of_______. however, from a personal point of view find______

from what has been discussed above, we may reasonably arrive at the conclusion that_______

if we can not take useful means, we may not control this trend, and some undesirable result may come out unexpectedly, so what we should do is_______.