Mexicana Airlines has announced cheaper round-trip tickets between Los Angeles and cities it serves in Mexico.
墨西哥航空公司已宣布降价出售从洛杉矶到该公司设有航班的墨西哥各城市的往返机票。
《柯林斯英汉双解大词典》
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Two round-trip tickets please!
请给我两张往返票！
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Trip includes round-trip air tickets, hotel stay for two nights, and tours of the National Air and Space Museum and the office of National Geographic World.