Definition: available to buy in a store, on the Internet, etc. Level: B1
视频和书现在正在销售。
The video and book are now ___on ___sale.
门票昨天开始销售。
Tickets went ___on ___sale yesterday.
昨天我和朋友去逛街，看到这条漂亮的裙子在打折。
I went window shopping with my friends yesterday and I saw this beautiful skirt ___on ___sale.
