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