duster cost

例句：

1. 1.She uses a broom to clean the floor every day.
   她每天用扫帚打扫地板。
2. 2.The sweeper swept up all the fallen leaves.
   扫帚把地上的落叶都扫干净了。
3. 3. The broom is very effective at removing dust and dirt.
   扫帚非常有效地清除灰尘和污垢。