China has made remarkable achievements in the past decade thanks to its huge trade surplus and now it turns to gain momentum from domestic demand, Jim O’Neill, chief economist at Goldman Sachs, said Monday. O’Neil, who first dubbed China, India, Russia and Brazil “Bric” in 2001, told Xinhua that China could be “the largest economy in the world” in 2027 with its GDP of $21 trillion, and its …