“请为有需要的乘客让座。谢谢!”这是我们乘坐公共汽车时常听到的一句话。但是,偶尔我们会看到这样一个尴尬的场景:一个老人或孕妇上车了,站在过道上的乘客却丝毫没有避让,坐在座位上的乘客也无人起身让座。 “Please seat for passengers in need. Thank you!” This is what we often hear in the bus. Occasionally, however, we see an awkward scene in which an elderly or pregnant woman gets in and the passengers in the hallway have not escaped, and none of the passengers sitting in the seats get up to take the seat.