youdao

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

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