it's a courtesy, not a must.

来源: 燕京十景 于 2019-01-28 12:32:05 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

所有跟帖： 

• I am talking about being polite, not must nor must not -MoonRiverMe- ♂ 给 MoonRiverMe 发送悄悄话 (80 bytes) () 01/28/2019 postreply 12:35:31

• and you don't have to be a polite person to hang around... -borisg- ♂ 给 borisg 发送悄悄话 borisg 的博客首页 (0 bytes) () 01/28/2019 postreply 12:42:41

• Now Duke says must not. You may accept it, not us. -伊敏- ♀ 给 伊敏 发送悄悄话 伊敏 的博客首页 (0 bytes) () 01/28/2019 postreply 12:56:24

• what made you think I accepted it? -MoonRiverMe- ♂ 给 MoonRiverMe 发送悄悄话 (65 bytes) () 01/28/2019 postreply 13:19:16

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