It's an established fact that habits are best developed when you reward yourself for accomplishing them.

一个既定的事实是，当你奖励自己完成这些任务时，习惯的培养会有最佳效果。

Questioning established facts is actually at the heart of the scientific method.

质疑既定事实实际上是科学方法的核心。

The United States has withdrawn from the Paris climate agreement, and the president has been an open skeptic of established facts.

美国已退出巴黎气候公约，而特朗普总统对既定事实却持怀疑态度。

Well, the emancipation is now an established fact, but where is the peasant with the torch?

好吧，解放现在已经是既定的事实， 但是举着火炬的农民在哪里？

Their strength, politically speaking, lies in a recognition of expediency, complemented by respect for the established fact.

从政治上讲， 他们的力量在于承认权宜之计， 并辅以对既定事实的尊重。

Climate change is a scientifically established fact, evidenced by global temperature rise, melting ice caps, and rising sea levels.

气候变化是一个科学上确定的事实，全球气温上升、冰盖融化和海平面上升就是证明。

It is an established fact that factory workers work better, harder, and have fewer accidents when their machines are painted orange rather than black or dark green.

一个既定的事实是，当他们的机器被漆成橙色而不是黑色或深绿色时，工厂工人工作得更好、更努力并且事故更少。

He petered out after he had established the fact that he was an old soldier and a man of honorable life, and that his accuser was a silly snob.

在他确定了自己是一名老兵和一个体面的人， 而控告他的人是一个愚蠢的势利小人之后， 他逐渐消失了。