goodevening和goodnight区别,英语goodnight和goodevening有什么区别

先看一段美剧台词，为什么说Good night不礼貌？

Good morning, and in case I don't see ya,

good afternoon, good evening, and good night!

早上好！假如再也见不到你,就祝你下午好,晚上好,晚安!

——《楚门的世界》

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