重点讲解：
1. be good for 有利的；有益的；
例句：Rain water was once considered to be good for the complexion.
雨水曾一度被认为可以滋养皮肤。
2. other than （用于否定陈述后）除了…以外；
例句：You can't get there other than by swimming.
你只能靠游泳游到那边去。
3. as well 也；还；
例句：I don't want them stringing along as well!
我也同样不愿意让他们跟著来！
4. by the way 顺便地；附带说一句；
例句：By the way, I'll be free this evening. How about going to see a film?
另外，我今天晚上有空，我们去看电影怎么样？
