The gold standard of scientific evidence is the randomised controlled trial, preferably one with a lot of people and held over a long time.

国际上科学证据的标准是由随机对照实验得出的结果，尤其是那些有很多人参与又经过很长时间的实验。

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The gold standard of scientific evidence is the randomised controlled trial, preferably one with a lot of people and held over a long time.

国际上科学证据的标准是由随机对照实验得出的结果，尤其是那些有很多人参与又经过很长时间的实验。

youdao