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adj.非生产性的；徒劳的；不毛的；不生产的
1、unproductivity───非生产性
2、productive───adj.能生产的；生产的，生产性的；多产的；富有成效的
3、underproductive───生产力低下
4、unproductively───非生产性地；无成效地
5、unprovocative───无谓的
6、reproductive───adj.ShengZhi的；再生的；复制的
7、productile───adj.可延长的
8、introductive───adj.前言的；介绍的（等于introductory）；序文的
9、nonproductive───adj.非生产性的；对生产无直接关系的
1、Back then, social networking was more often viewed as a time-wasting and unproductive activity.───那时，多数人认为社会化网络浪费了时间，降低了效率。
2、Learning and growing up in such an environment, one may regard dreaming as an unproductive act.───在这样的环境中学习和成长，人们会把做梦当作一种徒劳无益的行为。
3、Making the best use of your time today is crucial, for you won't be satisfied if you're unproductive while hanging out with your friends.───好好地利用时间对于今天来说是至关重要的。没有和朋友联系就没有收益，你将不会对此感到满意。
4、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。
5、My lazy tendencies stirred long enough to convince me of the virtue in the last option. . . But I wasn't completely unproductive.───我懒惰的秉性引起足够长的时间去证明我最近的选择所体现的优点。。。但是，我不是完全没有成效。
6、Hanging out with your friends might seem "unproductive" whereas staying an extra couple of hours at work is "productive" .───跟朋友一起出去逛逛看起来是“毫无收益的”，与此同时加班完成工作是“有效能的”。
7、Readers: We'd love to hear about your own techniques for saving an unproductive day. What works for you? Join the discussion below.───读者们，我们希望听到你对工作效率低下的补救技巧。你有什么管用的技巧呢？请加入下面的讨论。
8、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效率的事情。
9、I've had a very unproductive day.───我这一天什么事都没干成。
1、There are many instances of necessary unproductive consumption, both in the absolute and historically determined sense.
2、The meeting was long and noisy, but unproductive.
3、Intellectuals were dismissed as uncreative and unproductive.
4、I've had a very unproductive day.
5、Poor working conditions lead to demoralized and unproductive employees.
6、Unproductive guilt hinders your behaviour in a variety of ways.
7、It was pointed out that if unproductive consumption is increased equilibrium may be maintained.
8、To suggest that all unproductive consumption is solely capitalist personal consumption is to go beyond the bounds of credibility.
9、It was a very unproductive meeting.