既然我们都是地球村的一部分，人人都成了邻居。

Now that we are all part of the global village, everyone becomes a neighbour.

《柯林斯英汉双解大词典》

既然我们已经开始革命了，就必须一直坚持下去。

Having started a revolution we must go all the way.

《柯林斯英汉双解大词典》

既然我们在欧洲，我们应该去参观荷兰。

Now that we're in Europe, we ought to visit the Netherlands.

youdao

So now, now that we've got all three of the major laws of thermodynamics, what I want to start in on is a discussion of what happens spontaneously.

现在既然我们已经得到了,热力学的三个主要定理，我想现在开始讨论的是,什么过程会自发进行。

麻省理工公开课 - 热力学与动力学课程节选

Well, as long as you mentioned your recent work, I wanted to get into, to make sure that we have a chance to talk about this important book.

既然您提到了您最近的著作，我们就借此机会,来谈一谈这本重要的书。

普林斯顿公开课 - 人性课程节选

Since what we want to know is whether the soul is immortal, how do we know it can't break.

既然我们想知道,灵魂是否不朽，我们怎么知道它会不会破裂呢。

耶鲁公开课 - 死亡课程节选