写作时避免重复

若要表达同一个意思是，可变化句式，变为被动句式，非谓语句式等等（需要积累）。
如：Children should wear school uniforms.
->(被动) School uniforms should be worn.
->(非谓语) It is nice for students to wear school uniforms.

deficient [dɪˈfɪʃnt] adj. 不足的；有缺陷的；不充分的

Whether...is a frequent topic of discussion（...是一个经常争论的话题）
It is ... for ... to ... （对于...做...是...的）