These shoes are on sale at most department stores.这种鞋子在大多数百货商店都有售。

Tickets go on sale [=become available to be bought] next week.票在下周有售。

I bought a shirt on sale for $5.我花5美元买了一件降价衬衫。

All computers will go on sale [=will be sold for a reduced price] later this month.本月晚些时候所有电脑都会降价出售。