因为我们知道气候变化是我们当今时代所面临的重大的道德、经济和环境挑战，是所有国家必须携手合作、共同克服的困难。
Because we know that climate change is the great moral, economic and environmental challenge of our time -one that all nations have to work together to overcome.
因为我们知道气候变化是我们当今时代所面临的重大的道德，经济和环境挑战，是所有国家必须携手合作，共同克服的困难。
Because we know that climate change is the great moral, economic and environmental challenge of our time - one that all nations have to work together to overcome.
当今知识时代变化趋势对企业组织提出了挑战，迫使企业组织有转型的趋向。
The change in current knowledge times has given a challenge to the enterprise organization and resulted in its transitional trend.
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