by Zheng JunfengThe G20 Leaders’ Summit, currently underway in Rio de Janeiro, Brazil, convenes the world’s top 20 economic powerhouses. They together represent over 80% of the world’s GDP, 75% of global trade, and 66% of the global population. Their discussions in Rio have significant implications for the entire world, and these leaders are tasked with the duty of driving global progress. The larger the economy, the greater the responsibility it bears.The theme of this year’s G20 summit is “building a just world and a sustainable planet.” This echoes the call of the times and…