on sale

    　英 [ɒn seɪl]   美 [ɑːn seɪl]

    　（尤指在商店）出售，上市;折价销售，减价出售

    　例句

    　All tickets go on sale this Friday.

    　所有票在本星期五开始销售。

    　He was disgusted with the stodgy pizzas on sale in London.

    　他讨厌吃伦敦卖的难以下咽的比萨饼。

    　I guess people everywhere like to buy things on sale.

    　我想世界各地的人都喜欢买打折的东西。