英语几个问题 1 suffer from hunger,suffer hunger,书上的两个解释很相近,想要解释一下再加个例子2 as many as half the drugs that have been approved in the US after animal testing have subsequently had to be withdrawn because of

英语学徒请教：suffer和suffer-from的区别、用法 英语几个问题 1 suffer from hunger,suffer hunger,书上的两个解释很相近,想要解释一下再加个例子2 as many as half the drugs that have been approved in the US after animal testing have subsequently had to be withdrawn because of suffer,suffer from怎么区分? suffer,suffer from如何区别? suffer from shock翻译 I suffer from schizophrenia . suffer from是什么意思 I suffer from insomnia Suffer from a neurosis suffer from 造句 suffer from翻译 suffer from the pain suffer from the pain suffer与suffer from有什么区别 suffer from 和 suffer的区别? suffer和suffer from用法的区别. suffer 与suffer from区别和练习 suffer与suffer from的区别?