重点讲解：
1. on the other hand
（从）另一方面（来说）（用于引出相对照的另一点）；
eg. On the other hand, her own feelings were a corrective influence.
另一方面，她自己的情感却是一种净化心灵的力量(Orqbahvk|aW。
eg. On the other hand, nobody seemed excited about it.
另一方面，似乎没有人对此感到兴奋uR6WKVO8#pv。
2. the best of both worlds
两头受益；两全其美；
eg. Her living room provides the best of both worlds, with an office at one end and comfortable sofas at the other.
她家客厅一头是办公处，一头是舒适的沙发，真是两全其美m8r=l,-_M-Fe]h0。
eg. He lives on a farm and works in a big city in order to have the best of both worlds.
他住在农庄而在大城市工作，以便享有两者之优点&4mAM1g([i6e,M%。
3. keep in touch with
（与）…保持联系；
eg. We now keep in touch with him by write letter.
我们现在靠写信与他保持联系J5.pjrk.N-_。
eg. He expressed the hope that we would keep in touch with his firm.
他表示希望我们与他的公司保持联系p)lEtc3=_eKt|。