Meituan was fined for this 3.40 billion what exactly is ＂choose one＂ monopoly

CCTV News(Reporter, Kan Chun Yu Wang Ruoyi): On the evening of October 8, the State Regulation for Market Regulation issued an announcement saying that Meituan had imposed administrative penalties on Meituan’s "two-choice-one" monopoly in the Chinese food and beverage takeaway market, ordered Meituan to stop the illegal behavior, refund the exclusive cooperation deposit of 1.289 billion yuan in full, and fined Meituan 3.442 billion yuan. What is a "two-choice-one" monopoly? Why oppose the "two-choice-one" monopoly? Liu Junhai, director of the Institute of Commercial Law of Renmin University of China, answered the above questions in an interview with CCTV reporters.