而地球正面临着严峻的环境危机。
传统化石能源的大量使用引发了日益严峻的环境和社会问题。
The slather of traditional energy resources brings us lots of austere environment and social problems.
酸性原油的高硫含量可产生特殊的轻油产品，符合日益严峻的环境需求。
The high sulfur content of its sour crudes makes it different to yield the light products that meet the increasingly stringent environment standards.
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