中国经济增长的动力来自新增劳动力和资本投入。
Chinese growth has been driven by additions of Labour and capital.
中国也生产羊毛，而且它的土地、劳动力和资本价格通常更低。
China also produces wool and its land, Labour and capital are often cheaper.
如果没有技术，经济增长就将依赖于劳动力和资本投入，经济增长率就只有小几个百分点。
Without it, growth would be dependent on Labour and capital inputs, and growth would be just a few percent.
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