[ S or U ] the process of removing waste or things you do not want from a place（对废物或不要的东西的）清除，清理，清扫，排除

[ U ] an occasion when goods are offered for sale cheaply so that people will be encouraged to buy them and there will be space for new goods（货物的）清仓减价，清仓甩卖

[ C or U ] the distance or space that is needed for one thing to avoid touching another thing间距；间隙；净空

[ U ] official permission for something or the state of having satisfied the official conditions of something批准，许可，准许

[ U ] the process of a cheque going from one bank to another through a central organization, so that money can be paid to the person it is owed to（支票）过户，兑现，结算

[ C ] in football, an occasion when a player kicks the ball away from their goal（足球比赛中）将足球从本方球门前踢出，解围