When we know two vectors in a plane, it let us find the normal vector to the plane, and that is what we need to find the equation.

当我们已知平面上的两个向量，我们就可以找到，这个平面的法向量，然后我们就可以用法向量来找到方程。

youdao

They might refuse to let us do it, but it's hardly likely.

他们也许会不让我们做这工作，但这可能性太小。

《牛津词典》

Why don't they cut out the middleman and let us do it ourselves?

他们为什么不取消中间商，让我们自己来做呢？

《柯林斯英汉双解大词典》

Sergeant Perry Osburn put it this way: "We cannot let this make us afraid, you know what I'm saying?

VOA: special.2009.11.14

Milton's taking pains here, and he does this with very few other poems, to let us know precisely when it is that he's written it.

弥尔顿在这里极力想让我们，知道他确切的创作时间。

耶鲁公开课 - 弥尔顿课程节选

Oh,well,we're in Laodicea. Let's say 'To the Laodiceans,' and we can act like Paul sent it just to us."

比如在老底嘉的人填上“致老底嘉教会“,它就成了保罗寄给老底嘉都会的信“

耶鲁公开课 - 新约课程节选

And since we don't have the time to do it, let us wait until we do.

NPR: Congress Unlikely to Complete Budget Duties

The players knew it was a goal, their manager knew it was a goal and they could have done something about it - let us go up the other end and score or something.

BBC: Bristol City 1-0 Crystal Palace

First, so that the whole of the worldwide banking system serves our prosperity rather than risks it, let us agree rules and standards for accountability, transparency, and reward that will mean an end to the excesses and will apply to every bank, everywhere, and all the time.

BBC: In full: Brown's speech to Congress