1.The government should encourage companies to invest in exploiting renewable energy.
invest in 投资 可以投资钱也可以投资时间和精力
2.Every citizen should be involved in environmental protection.
be involved in 参与
The parents should be involved in children's homework.
3.The government should give top priority to meeting people's basic needs, such as housing and medical care.
give top priority to sth.把...放在优先的位置
4.Children may be more vulnerable to offensive images on the media than adults.
be more vulnerable to易受...的影响
5.Parents can not be indifferent to children's leisure activities.
be indifferent to 对...冷漠
leisure activities休闲活动
6.比较句型
Nothing be +形容词比较级+than...没有什么比...更...
Nothing do +more+副词+than...没有比...更...
Nothing is further than the truth.
Nothing is more important than the Internet.
Nothing communicates more effectively than color/smile/language.
7.否定句型
On no account should+主语+动词 （绝不应该...）
On no account should we lose sight of the benefits of education in basic science courses.
8.There be 句型
There is no substitute for...(...无可取代)
There is no substitute for knowledge gained from experience.
9.It is 句型
It is conceivable that +句子（可想而知）
It is conceivable that with advances in technology, competition is becoming increasingly fierce.
10.倒装句型
形容词+as+主语+be （尽管...），+主句
Adorable as pets are, it is by no means appropriate for urban residents to treat them as family members and allocate too much time and money to keeping them.
11.表示有利，有害
It pays to do sth.（...是值得的）
It pays to create conditions in which men and women compete on an equal footing.
12.表示建议，要求
be committed to+名词（致力于）
We are committed to delivering long-term shareholder value and continue to be open to constructive dialogue with all of our shareholders.
13.
with the advent of...(随着...的到来)
With the advent of projection in 1895-1896, motion pictures became the ultimate form of mass consumption（大众消费).
14.
The popularity of mobile phones have negative/positive effects on people's daily life.
The popularity of mobile phones have a serious impact on people's daily life.
The popularity of mobile phones have a direct/indirect impact on people's daily life.
The popularity of mobile phones have a great impact on people's daily life.
15.
Universities play a role in training people for the workforce.
play a critical/key role in sth./doing sth.
have an important role to play
16.
Every citizen should make an effort to protect our environment.
spare no effort to do sth.
make every effort to do sth.=do one's best to do sth.
17.
The global trade has improved/enhanced/boost people's living standard.
18.
Higher education must keep pace with the fast-paced development of modern science.
19.表原因、现象
A is the/a key determinant of B.
Some see family income as the key determinant of access to the top universities.
20.表原因、现象
...on the grounds that 基于...的理由
The film could be criticized on the grounds that all of the characters are white,"respectable",and economically advantaged.
21.表原因、现象
stem from=arise from=spring from源自于、来自于
Such disagreements may stem from a variety of causes.
22.表原因、现象
Just because...dose not mean...仅仅因为...并不意味着...
Just because we live in a busy and crowded world dose not mean politeness should be dispensed with.
23.
armed with=equipped with
Only children raised in cities are equipped with the skills essential to success in the real life.
24.
pose a major threat to给...造成巨大威胁
Addiction to technologies poses a major threat to one's physical and mental health.
25.It is imperative/advisable that...必须，应该
It is imperative that standards should be maintained.
26.
The upside of...is that...+句子 （...的优点是...）
The upside of children's doing some household chores is that such a demand makes them appreciate more fully the value of hard work.
