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1·I've had a very unproductive day.

我这一天什么事都没干成。《牛津词典》

2·Research workers are well aware that much of their time and effort is unproductive.

研究工作者们很清楚他们的大部分时间和努力都不会有成果。《柯林斯英汉双解大词典》

3·If we weren't on our devices, we'd likely do something similarly unproductive.

如果我们不是在用自己的设备，我们很可能会做一些同样没有收益的事情。

4·If there was ever a bookmark that actually reduced your unproductive nature, it is Tick Tock Timer.

如果曾经有那么一个书签，真的减弱了你低产的本性，那么它是定时器。

5·Since African agriculture is still broadly unproductive, food is imported, consuming a portion of revenue.

由于非洲的农业仍然普遍缺乏生产力，所以粮食需要进口，消耗了一部分收入。

6·He serves as something like a complicated double for the young, unpublished, and as of yet unproductive poet himself.

他就像一个复杂的替身，是那些年轻的，还没出版诗歌或是不多产的诗人自己的替身。

7·Unproductive, but perhaps unavoidable.

毫无收益，但是可能却无法避免。

8·Such an unproductive waste of time and energy.

这真是时间和精力的浪费，徒劳无益。

9·Labor in direct service to consumers is unproductive.

直接为消费者服务的工作和劳动是“无生产力”的。

10·The team avoids the burden of unproductive formal work products.

团队应避免无力生产正常工作产品的包袱。