If you need to transfer to another train, you may follow the white “______________” signs and a direct elevator will lead you to the right waiting room. 如果您需要转乘其他列车，您可以跟随白色的“______________”标志，直达电梯将带您到正确的候车室。
A、easy transfer 便捷换乘
B、mind the gap 小心间隙
C、Watch your steps 小心脚下