Government cannot inject a single dollar into the economy if it has first taken that same dollar out of economy.改错。请问老师,下面这个解析是不是有错误,1.inject...应该发生在take...之后?2.是否可以把if改成unless?
一个例句是:Getting mad at others means other people are getting control of your emotions中means引导的宾语从句中,people are getting control为什么要用进行时态 be+doing 的形式呢?不能直接用一般时态吗?这里是什么用法?