So the need to quickly recognise things that could be helpful or harmful could have had a great influence on rock art and explain why some images are more common across cultures than others.
因此，快速识别事物是有益还是有害的需求可能对摇滚艺术产生了巨大的影响，并解释了为什么一些形象在不同文化中比其他的更常见。
Pegging another person as helpful or harmful is crucial when choosing friends. And that ability starts early.
择友的时候，判别某个人会给自己带来帮助还是伤害很重要；人们在很小的时候就具备这种本领了。
Is doing homework helpful or harmful? Fifty-one percent1 teachers and parents think that give2 children some homework is a good thing.
做家庭作业是有益还是有害？百分之五十一的老师和家长认为给孩子一些家庭作业是一件有益的事情。
Having 'bought' some time to decide whether the new information is potentially helpful or harmful, we are in a better position to evaluate it.
通过一段时间来决定是否新的信息是有益还是害的，这帮助我们更好的评估它。
This is an important article that addresses the highly contentious issue as to whether antipsychotic medications are helpful or harmful to the brain.
本文非常重要，解决了抗精神病药物对大脑是有益还是有害这一颇具争议的问题。
So, is consuming deep sea fish helpful or harmful?Which types and in what amount of deep sea fish should we eat to maximize the benefits and avoid excessive intake of mercury?
那究竟深海鱼是多吃有益，还是少吃为妙呢? 又究竟吃多少份量及吃那些品种才能既获得其中的好处，又可避免摄取过量水银？
So, is consuming deep sea fish helpful or harmful?Stay tune to our next newsletter, where we'll discuss the issues of how to choose deep sea fish, and the recommended intake level.
到底应多吃深海鱼，还是少吃为妙呢? 请密切留意下一期会员通讯，我们将讨论如何选择深海鱼及建议的摄取量。
Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things in the packaging labels of processed food are helpful or harmful.
然而，这些致癌添加剂留在我们的食物，而且变得更加困难的时候都知道，在加工食品的包装上的标签，事物是有益或有害的。
I will evaluate everything in terms of whether it might be harmful or helpful to our effort to deal with the crisis we face now.
我将对所有的方案加以评估，判断各种方案对解决我们目前面对的这场危机究竟有害还是有利。
I will evaluate everything in terms of whether it might be harmful or helpful to our effort to deal with the crisis we face now.
我将对所有的方案加以评估，判断各种方案对解决我们目前面对的这场危机究竟有害还是有利。
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