重点讲解：
1. instead of
代替…；而不是…；
eg. Instead of complaining about what's wrong, be grateful for what's right.
别抱怨不好的事，要对好的事心存感恩G).PSL^ybizuG。
eg. Instead of playing it in the traditional style, she jazzed it up.
她并没有按照传统风格演奏，而是糅合了爵士乐风格uXZ%!plL)ByXM|Juz5s。
2. in case
以备；以防；免得；
eg. You'd better take the keys in case I'm out.
你最好带上钥匙以防我不在家OIGt=(RRgHecKBpR+#|h。
eg. Keep some candles as a standby in case the power fails.
预备一些蜡烛以防断电Sq[tyu1B6^[_5X。
3. fair enough
（说法、决定或行为）有些道理，说得过去；
eg. If you don't like it, fair enough, but that's hardly a justification to attack the whole thing.
如果你不喜欢，这说得过去，但把它批得一无是处就没什么道理了isC@&17484[|o(hm。
eg. Fair enough, you didn't have a perfectly happy childhood: but your childhood is over now.
没错，你的童年生活不那么幸福：但它已经过去了4kkS@#WxX,)(C。