Many companies recruit "reserve cadres". What's the location?

When many companies recruit positions, they all say that they are recruiting reserve cadres under the banner of reserve cadres. Will this reserve cadre become a cadre after this? In fact, this is just the privilege that employees enjoy compared with other employees. Reserve cadres should understand the word "reserve". In fact, when you first entered the company, you were not a cadre at all, but an employee. The reserve cadres that you can write in your employee files are actually a title, which is completely different from cadres.

For example, the company you interviewed recruited 30 people, all of whom were reserve cadres. What I want to say is, can all these people be cadres? It is impossible to think of the result, and the reserve cadres are just a gimmick. To put it bluntly, it is the usual trick of some companies. Of course, if you have the ability, education and get along well in the company, maybe you, a reserve cadre, will gradually be promoted to a formal cadre. You must work hard to show your value and existence.