Yes, I see. But the harbor officers from the European countries often check the sulphur content in the fuel.

是的，我明白，但是欧洲的港口官员经常检查燃油硫含量。

youdao

These, plus a collection of smaller (and iffier) drilling prospects, are attached to fossil fuel reservoirs that may harbor the equivalent of 60 billion barrels of oil equivalent.

FORBES: Magazine Article

The 370-foot Renda set sail from Vladivostok on Dec. 23, taking on fuel in South Korea and Dutch Harbor, Alaska.

WSJ: Fuel Arrives, but Alaska's Deep Freeze Endures

Welcome to urban angling, New York style, where if you can put up with a little floating trash, an occasional whiff of jet fuel and the cacophony of New York Harbor, you can catch fat, healthy striped bass, bluefish, weakfish--all of them safe to eat, in moderation.

FORBES: Magazine Article