重点讲解：
1. deal with 论述；讨论；涉及；
We have no space to deal with such details.
我们没有篇幅来讨论这种细微末节。
2. allow sb./sth. to do sth. 允许；容许；准许；
Don't allow him to have a look.
不给他看。
3. on record 有记录的；有记载的；
It has been one of the hottest summers on record.
这是有史以来最热的夏季之一。
4. account for （数量或比例上）占；
The minority nationalities account for six per cent of the population.
少数民族占人口的百分之六。