throwaway

adj.用后即扔的；浪费的；漫不经心说出的；遗弃的

n.临时利用件；弃儿；传单

Thin plastic bags are the ultimate throwaway item. 薄塑料袋最终是被丢弃的东西。

In order to protect trees , we should not cut down trees for throwaway chopsticks . 为了保护树木，我们不应该再为了制作一次性筷子而砍倒树木。

Some people overreacted to what was only a throwaway remark. 有些人对随便说出的一句话反应过敏了。

The policewoman took good care of the throwaway baby as a temporary mother. 女警察充当一个临时母亲,照顾好这个被遗弃的婴孩。

The antispam is a throwaway, as is parental control, luckily, many of us can do without those. 至于反垃圾邮件嘛，不用也罢，父母控制亦然。——还好，我们很多人都不需要这些功能。