And not only that, the utility must agree to a long-term contract that covers power generation costs, plus a decent profit.

VOA: standard.2010.03.23

If one chord holds twice as long or only half as long, then we have an irregular harmonic change--irregular rate of harmonic change.

如果某一个和弦持续的时间是其他和弦的两倍或者只有一半，这就是不规则的和声改变。

耶鲁公开课 - 聆听音乐课程节选

Even though the deposits are short-term and the depositor can get the money at any time, the depositor is earning interest of a level that can only be made on long-term loans.

即使是短期存款,存款人可以随时取走存款,存款人也可获取仅从长期贷款中,才可得到的利息水平

耶鲁公开课 - 金融市场课程节选

Most are elderly and these reunions may be the only chance for many to see long-lost relatives.

VOA: standard.2009.08.26

Now the nice thing about this is that the degradation mechanisms seem to persist for some period of time, beyond the time at which you deliver the double stranded RNA; whereas, obviously, this mechanism here is only going to exist for as long as the anti-sense sequence is present.

而好消息是降解过程会持续一段时间,比你转入双链RNA的时间要长,但是,这种机制只会在,有反义链的时候发挥作用

耶鲁公开课 - 生物医学工程探索课程节选

We have made a historic investment in clean energy, which will not only create the jobs of tomorrow, but will also lay the foundation for long-term economic growth.

VOA: standard.2010.04.25

So far there are only two 12-kilometer-long routes.

VOA: standard.2010.07.30

U.S.officials say the self-described satellite launch would only be a cover for a test of a long-range missile, perhaps a more advanced version of the one North Korea fired eastward over Japan in 1998.

VOA: standard.2009.03.25