【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
说明原因型模块
These dayswe often hear that
It is common that
Why does such circumstance occurin spite of social protects? For one thing
For another
What is more,since
Its natural that
To solve the problem is not easy at all, but is worth trying.We should do something such as
to improve he present situation, and I dobelieve everything will be better in the future.
注释：
1、提出论题
2、说明现状
3、理由一
4、理由二
5、理由三
6、理由三引起的后果
