然而，如果化石燃料价格长期保持低位，可再生能源的发展进程可能会非常脆弱。

Progress in the development of renewables could be fragile, however, if fossil fuel prices remain low for long.

youdao

这就是说，成功的投机客往往让商品市场价格长期在某种程度上变得平整。

That is, successful speculators tended to help commodity markets by leveling somewhat the movement of commodity prices over time.

youdao

There was a huge rally in treasury bonds on October 19, 1987.

987年10月19日,长期国债的价格大幅上升

耶鲁公开课 - 金融市场课程节选

To my surprise, nobody had before created a hundred-year long home price index, which seems surprising to me because the long history of home prices seems like a relevant fact; we want to know what markets do.

让我惊讶的是,此前居然没有人建立百年房屋价格指数,这点让我很惊讶,因为长期的历史房屋价格,看起来似乎是有关联的,我们很想知道市场的动向

耶鲁公开课 - 金融市场课程节选