电力市场中，发电商要面对燃料市场和电量市场的双重价格风险，必须寻求有效手段进行风险管理。

In electricity market, as facing double price risks of fuel market and electricity consumption market, generators must seek effective means to manage risks.

youdao

在我写那本书的时候，中国还实行着双重价格制，在机票、火车票、旅游景点门票等方面，外国人要比中国人付的多得多。

At the time I published my book, there was still a dual pricing system whereby foreigners paid much more than Chinese for airline and train tickets, entry to tourist sites, and the like.

youdao

在我写那本书的时候，中国还实行着双重价格制，在机票、火车票、旅游景点门票等方面，外国人要比中国人付的多得多。

At the time I published my book, there was still a dual pricing system whereby foreigners paid much more than Chinese for airline and train tickets, entry to tourist sites, and the like.

youdao