manage to do 和 try to do 怎样区分?

manage to do 和 try to do 怎样区分? try to do和manage to do 有什么区别 manage to do,try to do和try doing有什么区别 manage to do sht manage to do=? 怎样区别 try to do 和 try doing manage to do sth与try to do sth的区别 try to do something与manage to do something有什么不同 manage to do的意思 manage to do等于什么 try to和manage to的区别? 急用 旅行（英语）同义词的用法 TRY TO DO/TRY DOING /MANAGE TO DO 用法,造句 COMM