The survey shows that 59.4% of the public feel that the phenomenon of "reverse elimination" is widespread in the current society, and 18.8% of them feel "very much. " The so-called "reverse elimination", in short, means that bad elimination is good, and inferior is superior Outstanding, mediocre elimination and other phenomena. According to the above definitions, Which of the following are inverse elimination phenomena:. ['Some expensive cough medicines in the market are not as effective as commonly used medicines at low prices, but in fact, commonly used medicines have a small market share.', 'A graduated from a prestigious university and an ordinary university graduate have entered a well-known international company at the same time.', 'A company has advanced satellite communication technology, high voice quality, and wide coverage, but the technical maintenance cost is high. Later, the company failed to make ends meet and declared bankruptcy.', 'Many companies have people who complain about their work. As a result, anyone who complains about work in the company must be more successful than a company without such people.']