domestic-scrap

例句：

1. 1.The family decided to donate their old clothes to charity.
   这个家庭决定把他们的旧衣服捐给慈善机构。
2. 2. The scrap metal was sold for recycling.
   这些废金属被回收利用了。
3. 3. We should not throw away our old books, as they are still valuable.
   我们不应该扔掉我们的旧书，因为它们仍然很有价值。