对于正在备考托福的考生来说，词汇是特别重要的，不管是听力、写作、阅读还是口语，都关系着词汇。

Great things are not accomplished by those who yield to trends and fads and popular opinion.

伟大的事情不是由那些向趋势、流行及大众观点屈服的人完成的。

fragmentary adj.

[ˈfrægmənteri]

made of small parts that are not connected or complete

残缺不全的；不完整的

例句：

There is only fragmentary evidence to support this theory.

只有零零星星的证据证实这个理论。