单词：beneficial element
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This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi
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beneficial,adj 有益的，有利的＝advantageous＝favorable 【例】Sunshine is beneficial to plants 阳光对植物有益。 【反】invidious（adj 招人嫉妒的）
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When we were young, we used to think that having a lot of friends is a cool thing. Well, it may be nice to have a lot of friends but when we are starting to mature, well realize that having true friends is more important than having a lot of fake fri
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开头 1. The arguer may be right about, but he seems to neglect(fail) to mention (take into account) the fact that. 2. Although many people believe that , I doubt (wonder) whether the argument bears much analysis (close examination). 3. It would be
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1. My suggestions is as follows 2. The following suggestions should be taken into consideration when we are seeking solutions to the problem. 3. In view of the above, I think some urgent measures need to be taken to solve this problem. 4. According t
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