—用步行上下楼梯来取代搭乘电梯。

Walk up and down the stairs, instead of taking the lift.

youdao

每天他离家后就步行去乘电梯。

Every day he leaves his home and walks to the lift.

youdao

每天他离家后就步行去乘电梯。

Every day he leaves his home and walks to the lift.

youdao