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。
But now that I have become more professional in technique, I have equipped my workshop with an electric saw as well as an electric plane, and several other labor-saving devices.
但现在我的技术愈来愈专业化，我的工作间也添加了电锯和电刨，以及其他省力的装置。
All the marvels of electricity, of modern medicine, of new modes of transport and labor-saving devices, were their gift.
电器、现代药物、新式交通和省力的用具，这些神奇之物就是他们送来的礼品。
Labor - saving devices have emancipated women from kitchen drudgery.
许多节省劳力的设备使妇女摆脱掉乏味的厨房杂役。
He added, “It transforms the lives of women most of all because they get labor saving devices, they get lights so they can study at night, and it helps the kids with school.”
他补充说：“供电首先会改变妇女的生活状况，因为她们因此可以节省体力，晚上可以在灯光下学习；同时供电也有助于儿童的学业。”
He added, “It transforms the lives of women most of all because they get labor saving devices, they get lights so they can study at night, and it helps the kids with school.”
他补充说：“供电首先会改变妇女的生活状况，因为她们因此可以节省体力，晚上可以在灯光下学习；同时供电也有助于儿童的学业。”
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