as a musical instrument competition. As one of the key figures at Beijing University, Li Yusa took the stage to perform the violin.I never expected Li Yuansha's violin playing to be worse than the pia...ently flowed down her cheeks, a hint of bittersweet smile played on her lips.Today is Christmas Eve, she specially took a twelve-hour flight to come over and reunite with her family proactively.She kn...