This unproductive negotiation has not changed the outcome of this matter.

这次徒劳的谈判并未改变这件事情的结局。

Efforts without goals are unproductive.

没有目标的努力是徒劳的。

Geologists are studying the formation of this unproductive land.

地质学家正在研究这片贫瘠土地的形成原因。

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

研究人员很清楚 他们很多时间和精力都是徒劳

I've had a very unproductive day.

我这一天什么事都没干成。

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。

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。

He serves as something like a complicated double for the young, unpublished, and as of yet unproductive poet himself.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

Unproductive, but perhaps unavoidable.

毫无收益，但是可能却无法避免。