It could be similar to when China kicked out a lot of non-domestic players. They even had a nickname for it. From the link below. Fengkou fēng kǒu 风口 n. wind

It could be similar to when China kicked out a lot of non-domestic players. They even had a nickname for it. From the link below. Fengkou fēng kǒu 风口 n. wind tunnel; an area or sector where, for a period of time, all investors want to invest in. Everyone stands a chance to fly when there is favorable wind blowing from behind. https://www.newconceptmandarin.com/learn-chinese-blog/chinese-slang-buzzword-%E9%A3%8E%E5%8F%A3-feng-kou-area-huge-profit-potential/ https://www.newconceptmandarin.com/learn-chinese-blog/chines...