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proposal与suggestion的区别? proposal与project的区别 suggestion与advice的区别 giving advice与making suggestion的区别 proposal 和advice 的区别 suggestion on sth 与 suggestion about sth 有什么区别? advice和suggestion的区别 suggestion、idea、advice的区别 advice 和suggestion 的区别 suggest 和suggestion 的区别. suggestion和opinion的区别 suggestion 与 advice有何区别