It doesn"t matter. They"ve just followed what they know works and stuck at it.

这并没有关系，他们只是遵循他们知道有效的方法并且坚持下去。

youdao

But if you want to know the answer, and I knew it, but I forget what it is-- it doesn't matter.

如果你想知道答案,我曾经是知道答案的,不过我忘掉了,这不重要

耶鲁公开课 - 心理学导论课程节选

Today we know, for example, if you can put one certain kind of element in your mouth or eat that, it doesn't necessarily mean you want to put the element next to it and your mouth as well, that might not be safe.

现在我们知道了，比如，即使你能把某一种元素放进嘴里,或者吃下去，这也并不一定意味着,你会把它邻近的元素也吃进嘴里,这可能会有危险，但。

麻省理工公开课 - 化学原理课程节选

It doesn't see me, feel me, speak to me I don't know, there's some song that sounds a little bit like that.

它看不见，没有感官，有首歌就是那样唱的。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

And I would suggest that somebody that alleges that when they know it doesn't happen owe people an apology.

WHITEHOUSE: Press Briefing

"We know it doesn't work, " says Bruce Psaty , a drug safety expert at University of Washington in Seattle.

FORBES: FDA Fix No. 5: Forget Labels

Now they're pretending like somehow it affected beneficiaries when they know it doesn't.

WHITEHOUSE: The White House