Hard times may hold you down at what usually seems like the most inopportune time, but you should remember that they won't last forever.

困难时期可能总在最不合时宜的时候阻碍你，但请相信，这样的时刻不会一直持续下去。

youdao

We had that very interesting piece last time, "Polish Oxcart" where he used this principle of low sounds produce sound waves that stay forever and we hear those low sounds first and last.

上次我们听了一段很有意思的曲子，《牛车》，当时他运用低频声音，持续时间长的原理，我们在最初和最后听到的都是低音。

youdao

Enjoy the free time-it won't last forever.

享受自由时光——这不会永久。

youdao

All right? A linear search, I start at the beginning of the list and walk all the way through it. All right, if I'm lucky and it's at the low end, If it's not, if it's at the far end, I've got to go forever, and you saw that last time where this thing paused for a little while while it actually searched a list this big.

如果很幸运就在开头,那运行起来很快，如果是在末尾,那就一直得走到头，上次看到了,如果搜索空间很大,程序都会暂停一会,好的，那我希望你们。

麻省理工公开课 - 计算机科学及编程导论课程节选

We had that very interesting piece last time, "Polish Oxcart" where he used this principle of low sounds produce sound waves that stay forever and we hear those low sounds first and last.

上次我们听了一段很有意思的曲子,《牛车》,当时他运用低频声音,持续时间长的原理,我们在最初和最后听到的都是低音

耶鲁公开课 - 聆听音乐课程节选

All this was felt as she watched the preoccupied adults around her preparing for a new life, trying to end the yearning for an old one that she didn't know she saw how their eyes searched the distance for the shadows of mountains or the wide, open sky for the monsoons, one last time before it was gone forever.

NPR: Excerpt: 'The Latehomecomer'

But investors should be wary of this technology firm--the profit it makes from extra machines churning out Time Warner's movies won't last forever, and that won't be enough to revive is flagging stock.

FORBES: Magazine Article

The third quarter seemed to last forever, mostly because the refs took their sweet time making calls.

FORBES: The NFL's Replacement Ref Disaster