This year, China is expected to become the world's third-largest national economy, after the U. S. and Japan.

今年，中国预计将成为仅次于美国和日本的世界第三大经济体。

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But the preparations for convertibility are also a sign of Chinese strength, as China, now the world's second-largest national economy, recognizes that as a global power it must have a global currency.

WSJ: New Move to Make Yuan a Global Currency