Human scientists are often trying to make sense of complex real world situations in which it is simply impossible to run controlled experiment.

人类科学家通常是试图搞清楚一些真实世界的东西，而这些东西并不是能够通过简单的核对实验能够做出来的。

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Human scientists are often trying to make sense of complex real world situations in which it is simply impossible to run controlled experiment.

人类科学家通常是试图搞清楚一些真实世界的东西，而这些东西并不是能够通过简单的核对实验能够做出来的。

youdao