I am not happy, this is an established fact.
我不开心，这个是既定的事实。
That link is an established medical fact.
那种联系是被证实了的医学事实。
The fact that they established profitable agriculture was of no legal concern.
建立效益农业这一事实与法律无关。
Evolution is as firmly established a scientific fact as the roundness of the Earth.
进化是既成的科学事实，和地球是圆的一样稳固。
Evolution is as firmly established a scientific fact as the roundness of the Earth.
进化是既成的科学事实，和地球是圆的一样稳固。
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