Facts speak for themselves.

事实本身就是很好的说明。

Let the facts speak for themselves.

还是让事实说话吧。

The results speak for themselves.

让调查结果本身来说话。

Well, let facts speak for themselves.

这样吧，我们用事实来说话。

Your results will speak for themselves. [7]

你的结果将为它们自己说话。