on sale

基本解释

Among the horses on sale he saw his own horse.
在出售的马群中，他发现了自己的那匹马。
The bulb (shown above) will go on sale this year.
上图中的灯泡将在今年上市销售。
Netbooks running the software will go on sale in the second half of 2010.
运行这套软体的上网本将会在2010年下半年开始销售。

The W.H.O.estimates that up to thirty percent of the medicines on sale in many of those countries are counterfeit.
These books are all on sale at Labyrinth Books, which is an independent bookstore here in New Haven.
这些书在"迷宫书店"都可以买到,这是纽黑文市的一家独立书店
耶鲁公开课 - 金融市场课程节选
But if it's on sale, I'll probably buy it.
但要是在打折，我估计就会买下来。
I like实战 - SpeakingMax英语口语达人

Good advice for anyone, billionaire or not: Count your pennies and buy on sale.
FORBES: About Azim Premji