重点讲解：
1. each other 彼此；互相；
例句：To see a young couple loving each other is no wonder, but to see an old couple loving each other is the best sight of all.
看到一对年轻夫妇相亲相爱并不奇怪，但看到一对老夫妇相亲相爱，却是最美丽的风景qs9,tfyz,%-jje。
2. as well as 除…之外；也；还；
例句：Freud postulated that we all have a death instinct as well as a life instinct.
弗洛伊德曾假定我们所有人都有生存本能和死亡本能9K%!TyY@mK3f#.2Mbz。
3. as for 至于…；
例句：As for other matters, we'll take them up later.
至于其他问题，以后再说T_T]s.HOx)OU7|#BP1Y。