TEDU [Tarena International] SC 13G/A: (Original Filing)
[SCHEDULE 13G (Amendment No.)* Tarena International, Inc. (Name of Issuer) American depositary shares, one of which represents one Class A ordinary shares, par value of $0.001 per share (Title of Class of Securities) 876108101 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of t]