You're playing paired with someone else. So you really have to be together with your partner.

VOA: standard.2010.07.01

It's the fact you're getting this extra benefit from working with someone else that makes it worth while working as a team to start with.

但是现实是在你和他人合作中,你会获得额外的收益,这样合作才有价值

耶鲁公开课 - 博弈论课程节选

he throws the ball and then the receiver or someone else can catch it and then they run with it.

他扔球，然后接球的或者其他人可以抓住球，带着球跑。

美式足球 - SpeakingMax英语口语达人

It's definitely a necessity since there is not someone else there to help you with your kids.

VOA: standard.2009.12.04

with someone else who's standing next to you, you're going to sum your numbers together and one of you whoever is fastest probably is going to sit down and the other person is going to take on his or her number, the summation of those numbers; and then you're going to repeat and if you follow the logic here in just a few moments, there should be just one of you very awkwardly standing.

你们需要与站在你下面一个的你结成一对,把你们的数字相加,你们中最快的那个可以坐下,其他人将接着他的那个号码继续进行，计算这些数字的和，以此重复,如果你们遵循了这一逻辑，最后将只有一个人呆呆地站着。

哈佛公开课 - 计算机科学课程节选

And I think what I admire so much about Professor Singer is that he has forced us to confront this reality that what I do with my life is directly related to someone else's life.

我觉得我如此地景仰Singer教授,是因为他让我们直面这一现实：,我们如何安排自己的生活，直接关系到,其他人的生活。

普林斯顿公开课 - 人性课程节选

to find out more about someone else you're speaking with.

这样你就能进一步了解对方的情况。

What do you 课堂 - SpeakingMax英语口语达人