small change

例句：

1. 1.He always carries a small change in his pocket.
   他总是口袋里带着一些零钱。
2. 2. The old lady gave me some small change for the bus fare.
   那位老妇人给了我一些零钱，作为公交车费。
3. 3. She asked for a small change from the waiter.
   她向服务员要了一点零钱。