But it is unprecedented in human history for a nation to deal with this challenge, while coping with a huge population and relatively little land and resources.
但是一个国家要应对这种挑战，同时还要应付庞大的人口和相对较少的土地和资源，这在人类历史上是前所未有的。
As a part of Chinese trades, the coal enterprise is also being faced with the unprecedented competition and challenge.
煤炭企业作为中国行业的一部分，同样面临着前所未有的竞争和挑战。
With the background of globalism, human society's set standards encounter a big shock and the rich Chinese culture meets the unprecedented challenge.
在已经到来的全球化背景下，人类社会的既定规范遭遇严重冲击，具有深厚底蕴的中国文化面临前所未有的挑战。
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