But going to school to sell calling cards is more face-to-face sales.
The best way is to find more friends to play the role of customers before selling, and engage in actual combat drills, which will have the best effect, and then ask your friends to evaluate and see what they think you need to improve! ! !
To be a salesman is to believe in yourself ~ ~ Don't be afraid to refuse ~ ~
Use your most sincere smile to infect others! ! !