“…After searching reports about his activities during that period, we find that he was racing cars for Porsche, 8 and attending fashion shows as ambassador of Louis Vuitton. 9 Apart from "Wu Yifan", we also observe topics related to "live stream", which is also a new topic that has not been observed in previous analysis. ah ah ah (0.045), like (0.041), thanks (0.035), mom (0.019), new (0.015), teacher (0.014), cry (0.011), shoot (0.010), character (0.009), great (0.008), rush (0.008), baby (0.008), song (0.008), clarify (0.008), donate (0.008), live (0.007), hope (0.007), become (0.007), Beijing (0.007), dry (0.007) 9 cute (0.029), china (0.025), support (0.020), Zhang Zhehan (0.020), child (0.014), apologize (0.013), woman (0.012), nation (0.010), gong jun (0.009), stand (0.008), friend (0.008), engage in (0.008), write (0.008), society (0.007), law (0.007), girl (0.006), chance (0.006), sad (0.006), long (0.005), willing (0.005) 10 Wu Yifan (0.126), Mr (0.048), endorsement (0.028), spokesperson (0.026), road (0.023), expect (0.022), easy Vuitton (0.020), brand (0.019), force (0.016), worldwide (0.016), music (0.014), nice (0.011), cattle (0.009), silly (0.009), high (0.008), congratulations (0.008), Wu (0.007), Li Shubai (0.007), racer (0.006), wish (0.006)…”