suffice vi. to be enough
sufficient”（足够的）的动词形式，是个不及物动词, sufficient, enough ，也要想到可以用动词 suffice 表示。
例句：
Good ideas alone do not suffice.
For beginning runners, a 10-minute jog and a few stretches will suffice.
Extensive reading alone does not suffice. We have to, too, put what we read into practice.
用于举例，表达“只用一个/两个例子就可以说明某事”时，例如：马云的例子就可以证明颜值和财富并没有很大关系：
A single example will suffice: Jack Ma.
+++++++++++
作业
1）对于高阶英语学习者来说，每天学一个词是不够的。
For advanced English learners, learning one word a day does not suffice.
2）情景：打发漫长的等待时间，一本书足以。
For endless waiting time , a book will suffice.
