再简单不过的"I want", 其实非常没礼貌！　　为什么？该如何正确表达？　　快听Jenny, Adam告诉你吧！??　　节目音乐：I don't wanna live forever by ZAYN and Taylor Swift"I want"会给人这种感觉??　　"I want" makes you sound like a little kid: "I want"听起来像...