They get caught in trees (hence the epithet "Witches' Knickers"), take hundreds of years to decompose and push up demand for oil, used to make plastics.

它们挂在枝头（由此而得“巫婆的灯笼裤”之名），需要数百年才能分解，它们助长石油需求，正是石油用于制造塑料。

youdao

And quite right, too. They get caught in trees (hence the epithet "Witches' Knickers"), take hundreds of years to decompose and push up demand for oil, used to make plastics.

塑料袋的确危害很大，它们挂在枝头(由此而得“巫婆的灯笼裤”之名)，需要数百年才能分解，它们助长石油需求，正是石油用于制造塑料。

youdao

An ETF tracking the price of oil, for instance, might not buy oil itself, but may make a "swap" deal with another financial firm guaranteeing a payout if the price of oil goes up.

例如，一家跟踪石油价格的ETF基金并不会亲自购买石油，而是同另外一家保证石油价格上涨时给予该基金回报的金融公司进行交易。

youdao

He says he wants the private sector to make up 70% of non-oil-and-gas GDP by 2020.

ECONOMIST: Turkmenistan's plight

Up to a point, lavish capital outlays like these can make up for a shortage of old-fashioned oil wells.

FORBES: Companies, People, Ideas

In a country where oil revenues make up a good 85% of government income and where energy-industry reforms have repeatedly stalled, the choice of oil minister will also be crucial.

ECONOMIST: A surprisingly brisk presidential broom