There are plenty of places around the globe where people have no access to heavy machinery but do know how to deal with wind, sailing and basic mechanical principles.
在世界上有很多地方,人们都无法使用重型机械,但却知道如何处理风力、航行和基本的机械原理。
Flying robots can carry mails to people's houses without having to deal with heavy traffic.
飞行机器人可以把邮件送到人们的家里,且不用处理繁忙的交通。
America, a heavy subsidiser of cotton, opposes a special deal for the crop.
我们看到,棉花补贴极多的美国,就反对签订农作物专门协议。
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