重点讲解：
1. in total
总共；总计；
eg. We may get something in total, but averaging it out, each of us will get only next to nothing.
总起来讲，我们能得到一些，但平均起来每个人几乎一无所得S%,ot9PRK8T-avwLo。
eg. This dissertation is divided into four chapters, about 15000 words in total.
全文分为四章，共15000余字.Te.cDW1%9t[(JumSs[A。
2. one-off
一次性的；
eg. Her novel was just a one-off — she never wrote anything as good as that again.
她的小说是她绝无仅有的作品——后来她再也没写出那样好的东西!HwH]0l[XX。
eg. It was just a one-off; it won't happen again.
这事绝无仅有；不会再发生了iu.&.K,_rO7BN1W(-X。
3. be popular with
受欢迎；受喜爱；
eg. These artistic handicrafts are very popular with foreign friends.
外国朋友很喜欢这些美术工艺品mLJc&!tOz,~。
eg. Chocolate sauce is always popular with youngsters.
巧克力酱总是深受年轻人的喜爱)g4jmiUtVOS**|。