1、The reason why + 句子 is that+句子（...的原因是...）

　　2、We ought to supposed to expected to make efforts to realize our dreams.

　　我们应该努力实现自己的梦想。

　　3、Dont put off till tomorrow what should be done today.今日事，今日毕。

　　4、Time and tide wait for no man.时不我待。

　　5、No pains，no gains.没有付出就没有回报。

　　6、As the proverb says，正如谚语所说的……

　　7、It is generally recognized that…它普遍认为…

　　8、There is no denying the fact that…毫无疑问，无可否认

　　9、For all that…对于这一切…… Inspite of the fact that…尽管事实……