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1、Have a great influence on ~~~ （對……有很大的影響）

例句：Smoking has a great influence on our health.

抽煙對我們的健康有很大的影響。

2、An advantage of ~~~ is that + 句子 （……的優(yōu)點是……）

例句：An advantage of using the solar energy is that it won't create（produce） any pollution.

使用太陽能的優(yōu)點是它不會制造任何污染。

3、The reason why + 句子 ~~~ is that + 句子 （……的原因是……）

例句：The reason why we have to grow trees is that they can provide us with fresh air.

The reason why we have to grow trees is that they can supply fresh air for us.

我們必須種樹的原因是它們能供應(yīng)我們新鮮的空氣。