It's very important. You should be consistent in appearance. Etiquette and professional ethics are indispensable. There is no front or back, which means cheating. Honesty is very important, and no matter how good the etiquette is, it is only temporary. And professional ethics is to persist forever. Without courtesy, things are not easy to sell. Etiquette is an external signboard of business, and professional ethics is subconsciously attracting customers and returning customers. If you want to operate well, you must have both, complement each other and be indispensable.