- 问题详情:Americanpeopleliketosay“Thankyou”whenothershelpthemorsaysomethingkindtothem.Peopleofmanycountriesdosotoo.Itisaverygoodhabit(习惯).Youshouldsay“Thankyou”whensomeonepassesyouthesaltonthetable,whensomeonewalkingaheadofyoukeepsthedooropenforyo...
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