Such a projection presents mankind with wide-ranging social, economic, environmental and political issues that need to be addressed today to ensure a sustainable future for all.

这一预测向人类呈现出了广泛的社会、经济、环境和政治问题，这些问题需要在当下解决，以确保人类拥有可持续发展的未来。

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Additionally, projection of power consumption will play an very important role in running and safe-guarding an efficient and economic power network.

此外，用电量的预测对于电力系统的控制、运行以及电网运行的安全性和经济性都起到重要作用。

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India's economic growth projection for this year has also been cut, but in its case to 5%.

BBC: Heseltine questions 'national will to improve economy'

And just as the rise of China is a straight-line projection of current economic trends, American decline is a straight-line projection of the fearful, pessimistic mood of a country war-weary and in the grip of a severe recession.

CENTERFORSECURITYPOLICY: Decline is a choice

The leaders have already cut their projection for economic growth to 7.5% this year.

BBC: China's economic conundrum