对于其它作物，相似的改进把人们从艰难又枯燥的工作中解放出来，可以做更多创造性的工作，同时机器收割庄稼的效率更高，浪费更少。
Similar advances with other crops have released people from hard and boring jobs for more creative work, whilst machines harvest crops more efficiently with less waste.
生产效率受到破旧机器的影响而无法提高。
W：我们要求即期全部付款，因为我们可以保证我们产品的机器效率达到90%，你在其他的供货商那里得不到这样的保证，通常的比率大约是85%。
W: We ask for full payment at sight, because we guarantee 90% mechanical efficiency for all our products. You don't have the same guarantee from other suppliers. The usual percentage is around 85.
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