Apparently, there were some low clouds in the area, but mostly it was just miscommunication between the pilots and the air traffic controllers.

显然，该地区有一些低空云层，但主要是飞行员和空中交通管制员之间的沟通失误。

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The Xiongan New Area will help solve problems in Beijing, like traffic jams and air pollution.

雄安新区将有助于解决北京的交通拥堵和空气污染等问题。

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The pilots lost contact with air traffic controllers while flying across an area of the Atlantic Ocean known for constant bands of severe turbulence.

当飞机经过大西洋海域上空某处经常出现成片剧烈涡流的区域时，与空中交通控制员失去了联系。

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Many airlines -- Virgin being one example -- are actively developing bio-fuel technologies in an attempt to reduce their reliance on carbon-emitting fossil fuels, while a great deal of work is being done in the area of improving air-traffic management.

CNN: Green wing:?can technology make flying more environmentally friendly?

With permission from air-traffic controllers who are monitoring any other aircraft in the area, it's not dangerous for pilots to divert from prescribed navigation paths.

WSJ: Airline Pilots Pick Some Favorite Scenic Routes

If Delta and JetBlue are granted a JFK waiver, delays may increase at other New York-area airports, including LaGuardia and Newark's Liberty International, according to the National Air Traffic Controllers Association.

CNN: Air traffic jams in New York likely to jump