The new stamps are now on sale at main post offices.
新郵票現在各大郵局有售。
And they are not on sale at your local department store.
它們不是你那里百貨商店的銷售品。
He bought a sports jacket on sale at Gowings Men's Store.
他在高英斯男裝店買了一件打折的運動上衣。
Today is Mother's Day and all the jewellery is on sale at Rich's.
今天是母親節，瑞奇店的所有首飾全部折價出售。