| 释义 |
●be past its ˈsell-by date (informal) be no longer useful or valued 没用了；不值钱了◆His ideas on economics are well past their sell-by date.我认为，他的经济学观点早已过时了。 NOTE The sell-by date is the date written on food packaging after which the food must not be sold. * sell-by date 是写在商品包装上的最迟销售时间，过期不得销售。 |