A better way to solve this problem might be for all of us to be more careful with our things.
解决这个问题的一个更好的方法可能是,我们都对自己的物品加以留心。
Scientists made a guess that wrinkles on fingers might be able to help the hands hold things better.
科学家们推测,手指上的指纹可能有助于双手更好地握住东西。
They need to know how things work, why things are constructed in a certain way, and how it might be better.
他们想要知道系统是怎样工作的,为什么事情以一种这样的方式发生,怎样做的更好。
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