And which aspect of you is " I" ?

还有，你的哪一个部分才是真正的“你”呢？

And which " Friends" bit was your favorite?

《老友记》哪个片段你最喜欢？

And which is the nobler benefactor, patriot, and philanthropist?

哪一位才是更高尚的捐助者、爱国者和慈善家呢？

Which are and which are not is something one soon enough learns on one's own.

对值得和不值得的选择，一个人自然而然很快就能学会。

OK, and which places should tourists visit?

嗯，如果有游客去玩的话，你推荐他们去哪些地方？

And which of your performances challenged you the most?

你的哪一次表演挑战最大？

I don't care which pot is regular and which pot is decaf.

我不在乎哪壶是普通咖啡 哪壶是低因咖啡。

" Who" is for people, and " which" is for things.

指代人就用 “who”，指代事物就用 “which”。

Right, and which kinds of meat do you like?

好的，那您喜欢吃什么肉？

And which opponent often make you feel real tough?

那么又有哪些对手会让你很头疼？

And which ones are you most looking forward to?

而你最期待哪些影片呢？

And which stairs would you use to go down?

你又会用哪个阶梯下楼？

Right, and which countries are actually located at the centre?

好的，中心里面都有哪些国家？

And which side of the business do you work in?

那么你在哪个业务部门工作？

Erm. Which one is Milo and which one is Madeline?

嗯。哪一个是米洛，哪一个是玛德琳？

And which of these should people pay special attention to?

人们应该特别注意哪一种呢？

And which way should I turn on Main Street?

主街道上我们应该走哪条路？

Tomato tart, and which of the pastas would you recommend?

蕃茄馅饼，你建议哪种面呢？

Be careful what you say and which pictures you post online.

留意你在网上所说的话以及你上传的照片。

And which choice would we want our robotic counterparts to make?

我们希望我们的机器人同伴做出什么样的选择？