- 问题详情:IfanAmericanissatisfiedwithyou,hewillputhisthumbandforefingerintoacircle.ThatmeansOK.ButinBrazil,theverysignisconsideredtoberude.InPoland,aguestusuallypresentsflowerstohishostess.Thenumbermustbeanodd(奇数)one.Besides,thehostessisn’texpectedtoremovethec...
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