常見(jiàn)例句雙語(yǔ)例句The middle seats in Business Class are kept free on all short and medium-haul Lufthansa flights and act as additional storage areas.在全部漢莎中短程航班的商務(wù)艙中間座位是空的，爲(wèi)您提供額外的儲(chǔ)存空間。 返回 free haul