这些转化的原理是维持我们这个世界每一样事物、每一个人的运动。

This principle of change is what keeps everything-and everyone-going in this world of ours.

youdao

消极供暖房屋将太阳能转化为热能的原理与封闭的汽车一样：阳光穿过窗户然后被墙壁和地面所吸收。

A passive solar home converts solar energy into heat just as a closed car does. Sunlight passes through a home's Windows and is absorbed in the walls and floors.

youdao

它的工作原理是将口腔诊室内的声音转化为数字信号。

It works by turning the sounds of the dental consulting room into a digital signal.

youdao

I'm transferring this to the portfolio management problem and you can see it's the same idea.

如果将保险转化为投资组合管理的问题,你会发现原理是一样的。

耶鲁公开课 - 金融市场课程节选