该项目将使国家电网成为全球最大的铜消耗者，由此成为铜价的关键驱动因素。

That project will make it the world's largest consumer of copper, and therefore a key driver of copper prices.

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而现如今，标识被广泛视为一个城市、零售商或是各方品牌战略的关键驱动因素。

Today, signs are widely viewed as a key driver of brand strategies for cities, retailers and other parties.

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今年第一财季，经常项目盈余是282亿美元，且出口仍然是中国整体经济增长的关键驱动因素。

It was $28.2 billion in the first quarter of this year, and exports continue to be a key driver of China's overall economic growth.

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