Continental is the only major U.S. airline not charging for meals in coach and Southwest has shunned a la carte pricing, at least for now.

大陆航空是不收取餐费的惟一一家美国主要航空公司，而西南航空也废除了定价收费，至少目前如此。

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Boeing 747s, which started airline service in 1969 and opened international travel to the masses, had piano bars in first class. Even coach passengers were routinely offered three choices of meals.

波音747飞机于1969年投入航线运营，为普罗大众开启了国际飞行之门，在当年，其头等舱里设有钢琴酒吧，即便是经济舱，通常也会有三种套餐可供乘客选择。

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It's been decades since major innovation has come to the airline coach cabins, unless you count squeezing seats closer together or selling soggy sandwiches.

WSJ: Remedy the Squeeze in Airplanes' Coach Cabins

Amazingly, because of the new seat design, the airline says coach passengers will be blessed with an extra inch of legroom.

CNN: Airline squeeze: It's not you, 'it's the seat'

For the first time in the airline's history, business class saw higher percentages of seats filled than coach, said Singapore spokesman James Boyd, so the airline switched to a luxurious all-business-class configuration, with 100 lie-flat beds on a plane big enough to carry more than 300 passengers.

WSJ: The World's Longest Flight, in Coach