adj.節(jié)省勞力的；省力氣的
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(shí)現(xiàn)自給自足的途徑是抵制誘惑，不去購置拖拉機(jī)和其他昂貴的節(jié)省勞力的機(jī)械。
