But there is another, grubbier motive: regulatory arbitrage.

但是，还有另外一个更卑鄙的动机：监管套利。

youdao

And ever more countries are making "renewables" even more attractive through subsidies or taxes on grubbier fuels.

更多的国家通过补贴或对非清洁燃料征收高额税款让“可再生能源”更具吸引力。

youdao

Not that all bad boys fit this physical mold, but the dirtier, the messier the hair, and the grubbier the clothes, the faster she'll come running.

不是说所有坏小子都符合这样的外形特征，但越脏越乱头发和越邋遢衣服确实能让她更快地朝你而来。

youdao

Certainly, Google is fast discovering that being a global giant is a grubbier business than being an upstart.

ECONOMIST: New media struggles to age gracefully

Using gas instead of grubbier coal to generate electricity has helped to trim emissions while restraining power prices.

ECONOMIST: Lexington