GRE写作常用表达札记4-4

（单词翻译:单击）

161.Re: 请问“这项支出在人们收入中所占的比例”怎么说？ 
This ... expenditure¹ has constituted... proportion of ... income. 

162.Re: 表示“后代/前辈”有哪些词啊？ 
后辈
(1)juniors;younger generation. 
e.g. We, the younger generation, should make greater contributions to the motherland than 
 our elders. 
(2)posterity;descendants. 
e.g. Quite a few of his descendants were eminent² scientists. 
前辈senior(person);elder;older generation;predecessor 
革命前辈revolutionary predecessor 同行中的老前辈senior of a profession