for sale on sale的区别：中文意思不同、用法不同、侧重点不同。for sale意为供出售、待售，可指抽象的出售的行为，也可指具体的出售的动作；on sale意为折价销售、减价出售，侧重于表述廉价、有折扣的销售。
for sale和on sale的区别如下：意思不同。for sale的意思是“供出售，待售”；on sale的意思是“折价销售，减价出售”。
用法不同。for sale可指抽象的出售的行为或具体的出售的动作，也可指某产品的销售总量；on sale可指某商品以低于其原有价格水平的价格出售，即“廉售，贱卖”，还可指某商品的“销路，市场需求”。侧重点不同。for sale侧重于描述正在销售，正常价格；on sale侧重于表述廉价，有折扣的销售。
1. The new collection of designer handbags is now on sale at our store. (我们店里现在正在销售新款设计师手袋。)
2. These shoes were originally priced at $100, but now they are on sale for only $50. (这些鞋子原价100美元，但现在只卖50美元。)
3. The bookstore is having a big book on sale event this weekend. (这个周末书店将举办大型图书特价活动。)
4. Our company's products are always on sale, with discounts up to 50%. (我们公司的产品总是有折扣销售，最高可达五折。)
5. The tickets for the concert will go on sale next week. (音乐会门票将于下周开始销售。)
For sale, shop premises with frontages on two streets.
出售商业用房，前有空地两面临街。
She has put her house up for sale.
她的房子现在出售。
We have many types of cosmetics for sale.
我们有许多种化妆品待售。
We have several early folios for sale.
我们有几本早期的对开本书出售。
Something bought or for sale; a purchase.
购买买来的或待售的东西; 一桩买卖
Mr Hill: Good afternoon. I believe that this house is for sale.
希尔先生：下午好。我想这房子是出售的吧？
Last week my wife and I arranged to see a house that was for sale.
上星期我和妻子准备去看一所待售的房子。
The goods for sale are set out attractively.
出售的货物陈列得非常诱人。
