But scientists are also happy when become stuck,when they discover interesing questions that they cannot answer.
但是，当科学家们受难题困扰进退维谷时，当他们发现了自己不能解答的新奇问题时，他们也很快乐。
But scientists are also happy when become stuck,when they discover interesing questions that they cannot answer.
但是，当科学家们受难题困扰进退维谷时，当他们发现了自己不能解答的新奇问题时，他们也很快乐。
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