labor-saving 节省劳动力的
labor saving tool 节约劳动力的工具
labor-saving input 省工性投入
labor-saving ratio 节省劳动消耗率
labor-saving engine 节省劳动力的发动机
labor saving industry 劳动节省产业
He developed ideas for labor saving machines like cutting machines.
他发明了一些节省劳力的机器，比如切割机。
The first two syntaxes I want to examine are major contenders in the labor saving category: PYX and SOX.
我要考察的前两种语法是在 节省工作量方面最主要的竞争者：PYX 和 SOX。
What we have gained in convenience from labor-saving devices over the past half-century, we have paid for in terms of a sharp decline in physical activity.
半个世纪以来，我们从各种节省人力的设备中得到很多便利，但这是以我们身体活动的大大减少为代价的。
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