- 问题详情:Doyouknowwhatcouch-potatomeans?Well,inAmerica,thewordisnowoftenused.TheAmericancouch-potatobecomesmaybeevenapartoftheAmericantradition!Yousee,inAmerica,manypeopleoftenspendtheirfreetimesittingonacouch(沙发)watchingTV.Astherearemanychannelstoc...
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