designed to replace or conserve human and especially manual labor;
\\\"laborsaving devices like washing machines\\\"
造句
用作形容詞(adj.)
The way to make self-sufficiency work on a small scale is to resist the temptation to buy a tractor and other expensive laborsaving devices. 小范圍里實現自給自足的途徑是抵制誘惑，不去購置拖拉機和其他昂貴的節省勞力的機械。