Zhong Bingshu, kyaun gaske a Capital University of ilimin motsa jiki da kuma Sports, ya shaidawa Xinhua cewa babban kafofin daga babban birnin kasar ke fama da yunwa don Haka nan babban sunayen da kulake ta samar da} awance da, amma gani a shekara-on-shekara shift a kasuwar hali.