First of all, you should learn to hit blindly. This is the foundation.
Second, the receipt should not be placed neatly. It is best to twist the page in the lower right corner.
Third, improve the speed of the left-handed flip call and the right-handed keyboard, so as to make them coordinated.
Note: In addition, remember that there is no shortcut to business skills. Only by practicing hard day after day can you improve your speed.
Before determining the marketing plan, case analysis should be made to avoid making unrealistic predictions. Then the following is the relevant content I have