G2
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G2
n
the USA and the People’s Republic of China, considered as the world’s two most important economies
[C21: modelled on G7, G10, etc]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014