Drop us a line, it's always great to hear from you
给我们写封短信，能收到你的信总是让人很高兴。
2.keep from 隐瞒
I was so excited that I couldn't keep the good news from her any longer.
我太激动了, 再也没法对她隐瞒这个好消息了。
3.different from 不同
In their own work they may have favored the use of methodology different from mine.
他们在做自己的工作时，也许更喜欢使用和我不一样的一套方法。
4.no longer 不再
After about three months, I was no longer addicted to nicotine.
大约3个月后，我就不再对尼古丁上瘾了。
5.come down 下降
If you buy three bottles, the bottle price comes down to £ 2.42
如果买3瓶，价格会便宜一些，每瓶2.42英镑。
