The world can work together in a quadripolar or multilateral system, rather than one that is premised on 'Cold War mentality', according to both Prof. Daron Acemoglu from MIT and Prof. Lu Feng from Peking University in a dialogue with CGTN's Kate Kui. Their viewpoints come after former Chinese deputy foreign minister Fu Ying recently spoke on 'how China views multilateralism' at Tsinghua University.