Recently, consumers have rumored that "the company's car's power system has technical problems. The existence of technical problems will harm the reputation of company M. If" the company does not try to test this problem, consumers will lose the products of company V Confidence. But if "the company checks and proves that there is no problem with the power system of the car, it will make consumers more suspicious of the company's car's power system. From this we can infer (). ['pany A and M should acknowledge that there are technical problems with the power system of a small number of cars in their company.', "in the face of this rumor, company M's best strategy is to recall consumers' rumored cars.", "the company can't stop this rumor from harming M's reputation.", "if there is a consumer rumor that there is no technical problem in the power system of M's car, this rumor will also damage the reputation of M."]