I think so. But video phone has been very hard to achieve. It's either been to be expensive, or too crowded, or can we use the internet to finally introduce video phone and this is different from video on-demand.

我也这么认为，但视频电话要成功很困难,它要么很贵，要么很拥堵，或者我们是否可以使用互联网引入视频电话,这与随需视频是不同的。

麻省理工公开课 - 媒体、教育、市场课程节选

so we have to go either by Greyhound buses or by plane

所以我们要么坐灰狗巴士，要么坐飞机。

和朋友一起逛洛杉矶 - SpeakingMax英语口语达人

And what we predict as an energy difference between two levels, we know should correspond to the energy of light that's either emitted, if we're giving off a photon, or that's absorbed if we're going to take on a photon and jump from a lower to a higher energy level.

我们预测，两个能级之间的能量差，我们知道，它要么和发出的光有关,如果它发出光子的话，要么它吸收光子,从低能级跃迁到，更高能级上去。

麻省理工公开课 - 化学原理课程节选

so they either come here or we go there.

所以要么他们过来，要么我们过去。

我喜欢运动 - SpeakingMax英语口语达人

Or, we are going to call it D sharp?

要么,我们称之为升D吧

耶鲁公开课 - 聆听音乐课程节选