摘要：
论述原因1、Thereasonwhy+句子~~~isthat+句子（...的原因是...）例句:Ther easonwhywehavetogrowtreesisthattheyca...
论述原因
1、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.
我们必须种树的原因是它们能供应我们新鲜的空气.
2、That is the reason why ~~~ （那就是...的原因）
例句:Summer is sultry. That is the reason why I don''t like it.
夏天很燠热.那就是我不喜欢它的原因.
3、Due to/Owing to/Thanks to + N/V-ing, ~~~ （因为...）
例句:Thanks to his encouragement, I finally realized my dream.
因为他的鼓励,我终于实现我的梦想.
强调重要性的,健康,环保,时间
1、Nothing
is + -- er than to + V Nothing is + more + 形容词 + than to + V
例句:Nothing is more important than to receive education.
