dài xíngli, tuīchē huò lúnyǐ shí, wèn diàntī gèng zhǔnquè, yě gèng shěnglì

带行李、推车或轮椅时，问电梯更准确，也更省力。

When carrying luggage, a pushcart, or a wheelchair, asking for the elevator is more accurate and saves effort.