1, the information you provided is limited, so it is not certain that it is a fraud company. Although many of these companies are fraudsters, it does not rule out that individual institutions can provide training to improve their professionalism.

2. Do not rely on such companies to improve professional quality. In contrast, the help provided by training institutions is relatively reliable. This kind of promotion can be achieved through self-study. You don't have to pay for it. It is safe and convenient to buy. The result of spending money is often a lot of trouble. Or the particles are not harvested (mostly).

3. Books such as Wu Ganlin's Life Achievements and Career can be seen everywhere on the Internet. You can choose to read them, and your own destiny is in your own hands. This kind of thing is obviously inappropriate. This practice is tantamount to asking Mr. Jianghu to "break the money and eliminate disasters."