Examples
bù不，shì是èr shǒu二手de的。
不，是二手的。
No, it's second-hand.
我在二手书店看到一本书，现在它成为了我最爱的书。
A book I happened to come across at a secondhand bookstore has now become my favorite.
我很喜欢逛二手书店和二手衣店。
I like shopping in used-book stores and in used-clothing shops.