鳗鳗小公主
sth cost sb ...money.某物花费某人多少钱buy sth for ... money 以多少钱买某物pay ... money for sth 为某物付多少钱.It takes sb ... money to buy sth 买某物花费某人多少钱
天天要开心哦
undo [,ʌn'du:]vt.1.使松开；解开；打开：He undid his belt because it was too tight.他解开了他的腰带，因为它太紧了。2.使失效；使恢复原状：What is done cannot be undone.覆水难收。3.取消，抹掉；废除：The fire undid the work of eight months.这场火灾使8个月干的活儿全白干了。buy [bai]vt.1.买，购买，购置，买得：I bought myself a car.我为自己买了一辆汽车。They bought the house for $100,000.他们花十万美元买了这座房子。2.(付出一定代价)换得，赢得，获得：to buy time by negotiating通过谈判赢得时间She bought favour with flattery.她以阿谀奉承博得宠幸。3.能购得；足以买到(或获得)；具有…购买力，价值相当于：all that money can buy钱能买到的一切东西One hundred dollars buys less than it used to.现在100美元买不到以前所能买到的那么多东西。vi.1.当买主，(作为买者)采购商品，买商品，买货物，购买东西，买某物：The car prices are low; it's a good time to buy.现在汽车价格低，买车正是时候。n.1.买，购买，购置2.买卖，交易3.[美国口语]可买得的东西；购买的东西；买得上算的货物；(经过讨价还价后)成交的商品；廉价货，便宜货
