Expire Okay, that's a very interesting issue about the--the response was that because the--other food might expire quickly and so that's true; if you're eating things like fruits and vegetables, they only have a certain amount of life before they go bad.

保质期长,这是个很有趣的问题,因为其他食物可能很快就变质了,这也是个原因,如果你吃蔬菜水果的话,它们都有一定的保质期

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So that's true for a hydrogen atom, it doesn't matter if you're in a p or an s orbital, their energies are the same.

这对于氢原子来说是这样的，不论是p或，者s轨道，能量是一样的。

麻省理工公开课 - 化学原理课程节选

If you're presupposing that they're always phoning and networking and so on, it isn't true.

BBC: John Reid MP, Former Cabinet Minister

So it's not--you're not hearing over the phone everybody's true voice.

NPR: Firms Vie to Dominate Messaging Convergence

Whether they're true you're not sure because sometimes it's just a bunch of rumours so unless you get a factsheet or facts they will remain rumours.

BBC: CHOOSE A SPORT