could you tell me (what it is)that prevents her from being as happy as before这句啥意思?为啥不howhow it is?
问题描述：
could you tell me (what it is)that prevents her from being as happy as before这句啥意思?为啥不how
how it is?
答
此句为强调句:It's what that prevents...，强调句结构中不用how
答
你能告诉我是什么使他不像以前一样快乐吗？
答
你能告诉我什么让她不像从前一样开心吗?
(what it is)that prevents her from being as happy as before 这句中有强调句型,what 作句子主语.
答
强调句。句子还原 it is what that prevents ....how 在此语义不通。