不过，当俄国内外的人开始怀疑究竟是谁在主导国家方向时，克里姆林宫高墙内的神秘色彩再次出现。

But mystery again shrouds the Kremlin's high walls, as people inside and outside Russia wonder what direction it is headed in.

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另外，中国未必能从中等收入跃升至高等收入状态——这是成为一个主导国家的先决条件，除非它能（再次）提高公民的生活标准，该报告补充说。

Furthermore, China will be unable to makethe jump from middle-income to high-income status - a requirement for adominant state- unless it improves the standard of living for citizens, thereport added.

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由于它的可再生能源，德国成为世界太阳能光电主导国家：预计太阳能光电将增加5000兆瓦的电能，到今年年底达到总14000兆瓦的光电能。

Thanks to its Renewable Energy Act, Germany is the world leader in photovoltaics: it expects to add more than 5, 000 megawatts of photovoltaic capacity this year to reach a total of 14, 000 megawatts.

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