www.renren.com：雙語火車票還沒買就賣完
sold out=賣完，sell sth for 5=賣了5塊，sell-by date=食物保質(zhì)期，sell well=賣得好，sell badly=賣不出去，sell like hot cakes=熱銷，sell yourself=推銷自己，sell your body=出賣色相，sell sb down the river=出賣別人，pyramid selling=金字塔式銷售,傳銷
sold out=賣完，sell sth for 5=賣了5塊，sell-by date=食物保質(zhì)期，sell well=賣得好，sell badly=賣不出去，sell like hot cakes=熱銷，sell yourself=推銷自己，sell your body=出賣色相，sell sb down the river=出賣別人，pyramid selling=金字塔式銷售,傳銷