What you said is what newcomers should learn. For newcomers to the insurance industry, training can make you know more about insurance. If you want to run a business, you need to strengthen your professional knowledge. If you start a business directly without training, it is not impossible, but it will have twice the result with half the effort for your future insurance career and people. You don't have the professional knowledge to sign the bill, which will make people think that you are unprofessional. How can others sign the bill here?