大概就是行事的民约和习俗。有的高档西餐馆，会要求客人穿正装。但在朋友家BBQ，就没人会穿正装。

来源: Shubin 于 2023-05-20 11:13:44 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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