1·Can machines really think?
机械真的会思考么？
2·With their enormous size and weight, today's farm machines have significant downsides: they compact the soil, reducing porosity and killing beneficial life, meaning crops don't grow so well.
由于庞大的体积和重量，现在的农业机械有显著的缺点：它们会把土壤压实，降低土壤孔隙度，杀死有益的生命，这意味着农作物不会长得太好。
3·The job entails bringing in layers of soil and sand, then compacting it with heavy machines.
这个工作需要引入土层和沙层，然后用重机械把它们压制到一起。
4·This marriage between life and machines is one of convenience, because, in part, it has been forced by our current technical limitations.
从某种程度上来说，是现有技术的局限性迫使生命与机械联姻，为我们提供有益的帮助。
5·Thanks to tractors, combine harvesters, crop-picking machines and other forms of mechanisation, agriculture now accounts for little more than 2% of the working population.
多亏了拖拉机、联合收割机、玉米收割机和其他的农用机械的出现，农业劳动力现在只占了总劳动力不到2%。