no-changeBNC²³⁶²¹³⁺¹ 基本例句 un.无变化;🌏变化的 Southwest has also installed special seating with power outlets and USB hookups in their boarding areas, and is touting its no-change- fee policy to attract business travelers. 西南航空还在登机区域安装了带电源插头和 USB连接的特别座位,并宣传免改签费政策以吸引商务旅客。 yeeyan