The second point: personally, it is feasible to pay after satisfaction. Your studio must have a certain reputation, and the enterprise will believe that you pay the deposit. Pay after you are satisfied, which just gives the enterprise a chance to test the quality of your website. With the growth of business volume in the middle and late period, a certain margin can be collected first to prevent the occurrence of default events, and enterprises will also pay a margin for the reputation of the studio. After all, it is understandable that they also need to sign such agreements with other companies in their daily business.