It wouldn't be wise to use cool colors on a site about an upbeat topic because users will get the wrong impression.

在一个关于乐观主题的网站上使用冷色是不明智的，因为用户将得到错误的印象。

youdao

Anyway, that's not really an 18.02 topic, but I thought I would mentioned it because it's kind of a cool idea.

无论如何，这并不是的主题，但是我想我应该提到它，因为它是一种很棒的想法。

youdao

The problem of cool storage energy savings is always concerned topic with academic refrigeration, how to reduce energy consumption is very urgent.

冷库节能问题一直是制冷学术界关心的热点问题，如何降低能耗已经十分迫切。

youdao

When computer models gave him the power to spin up winds on planets of the mind, his first big topic was a study of the net effects of smoggy pollutants in the atmosphere, which cool the planet down, and the carbon dioxide which warms it up.

ECONOMIST: Steve Schneider