The survey shows that 59.4% of the public feel that the current social reverse elimination phenomenon is common, of which 18.8% feel very many. The so-called reverse elimination, in short, refers to the bad elimination of good, poor quality elimination of high quality, mediocre elimination of outstanding phenomena.
According to the above definition, which of the following belongs to the phenomenon of ireverse elimination ?
Some high-priced cough drugs on the market are actually not as effective as low-cost commonly used drugs, but in fact, commonly used drugs account for a relatively small market share