because能和so连用吗?为什么?那应该怎么用?

问题描述:

because能和so连用吗?为什么?那应该怎么用?

有because不能有so、相反有so不能有because
比如.I can’t buy the book because I have run out of my money
或I have run out of my money so I can’t buy the book