For the sake of her rehabilitation, Hsu Li-li would often take her mother to the department store. But in front of a moving escalator, her mother would freeze, unable to move.
為了復健，她也經常帶著媽媽去逛百貨公司，每回遇到電扶梯，看著急速上昇的階梯，媽媽總踏不出步伐。