分类：教育/科学-学习帮助
问题：since的用法关于since的所有用法越多越好谢谢了 
关于since的所有用法  越多越好 

  谢谢了
回答：表原因，人人皆知的原因。
Since it is raining outside, let's stay at home.
自从
I have stayed here since i was a child.
ever since从此以后
They lived a happy life ever since.