A signal from the TV tells each side of the glasses when to turn on and off, showing each eye slightly different images that create the sense of depth.

VOA: special.2010.01.26

I'll be content... I won't be completely content... but I'll be at least largely content as long as you've really thought through the arguments on each side of these various issues.

我也是满意的。,即使我不完全满意。,但我至少满意大部分,如果这是你们真正的想法,通过讨论各种问题。

耶鲁公开课 - 死亡课程节选

"But what it is, is it's a matter of national morale, national psyche, and a statement about where each country is on the technological development side."

VOA: standard.2010.04.21