How to write the invitation code preferred by the US delegation?

Meituan's preferred invitation code is written in its APP-self-red envelope/card coupon-quick redemption. Meituan is preferably a community e-commerce business under Meituan, and adopts the mode of "pre-order+self-promotion" to enter the community e-commerce track, further explore the community fresh retail format, meet the differentiated consumer demand, and promote the accelerated integration of fresh retail online and offline.