Let's listen to the new feast of thinking brought to us by the world's top economists, Professor Lang Xianping's keynote speech "Perspective on Current Economic Hotspots". Today I am very glad to come to Yantai to talk about the depressing topic, the perspective on current economic hotspots. As long as you talk about the current economic hotspots, they are all bad news. Then, please let the guests think about what is the biggest crisis you face?