重点讲解：
1. a series of
一连串；一系列；连续；接连；
eg. The student always asks his teacher a series of questions.
这个学生总是问他老师一连串的问题。
eg. A series of mischance happened.
一连串不幸的事发生了。
2. in terms of
在…方面；从…角度看；根据…来说；
eg. In terms of quantity, production grew faster than ever before.
从数量上看，产量增长的速度比以往任何时期都要快。
eg. Improvement in terms of trade is limited as competition erodes price.
由于竞争压低了价格，贸易条件的改善就受到限制。
3. be famous for
因……而闻名；
eg. The Marx brothers were famous for their comedy routine.
马克斯兄弟因表演一套喜剧剧目而出名。
eg. He is famous for his bounty to the poor.
他因对穷人慷慨相助而出名。