同时，在一些事件中，我们有一些不可控制的人为因素把这些宝贵的企业置于艰难的困境。
At the same time, we have some uncontrollable and, in some cases, man-made circumstances that have put some of these treasured businesses in very difficult straits.
污染、农药、食品添加剂、人为致癌等一系列环境因素意味着我们失去了对自己身体的控制。这种意识人们在七十年代日益增多。
There was a growing sense in the 70s that a range of environmental factors - be it pollution, pesticides, food additives, man-made cancers - meant that we were no longer in control of our bodies.
这次放缓还有一个重要的方面是人为因素，那就是官方增强了紧缩政策以控制达到了三年来最高位的通货膨胀。
The slowdown has to a significant extent been deliberately self-inflicted, as officials have increased policy tightening to rein in inflation that has been running at close to a three-year high.
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