on sale后面加什么

　　All tickets go on sale this Friday.

　　所有票在本星期五开始销售。

　　He bought a sports jacket on sale at Gowings Men's Store.

　　他在高英斯男装店买了一件打折的运动上衣。

　　The tickets will be on sale from somewhere else because the agencies have bought them up.

　　因为代理商把这些票都买断了，所以只能到别处买了。

　　We are all, of course, appalled that such items are still on sale in the shops.

　　我们当然对这些物品竟然还在商店里出售表示震惊。