So, fuel economy and environmental conservancy make a lot of sense if you care about such things, of course.

所以，油价和环境保护,是很有意义的,如果你关心这样的事，当然会更好。

麻省理工公开课 - 固态化学导论课程节选

Well not if you look at the futures market, which is in backwardation now and it's predicting major drops in the price of oil.

如果你看看期货交易市场,现在正处于交割延期的时期,而这正预示了油价将要下跌

耶鲁公开课 - 金融市场课程节选