Facade is a Chinese word, pronounced ménmiàn, which refers to shops, houses and parts along the street, the appearance of shops, and also refers to the appearance and surface. From the fourth fold of Tingyu Zheng's "Seeing Money Slaves" in the Yuan Dynasty: "The second one in my shop is to open a facade and stir up hope to see who will come."
Contact information, which can realize direct communication with individuals, is mostly used for chatting and communication. It is also the embodiment of a way of informing. In the early days, it was mainly embodied in the form of ordinary letters: telegraph registration, postal code, detailed address, fixed telephone number, etc. With the continuous development and update of information technology, today's contact information is more colorful: QQ number, MSN address, flying signal, email address, mobile phone number, Baidu user name, WeChat and so on.
Intermediary service refers to providing consultation, price evaluation and brokerage for trading activities. Intermediary service institutions refer to organizations that are between producers, operators and consumers and are qualified according to law to provide services for producers, operators and consumers. For example, consumer brokers create income for consumers and profits for manufacturers, and play an intermediary role between consumers and manufacturers. Consumer Brokerage Co., Ltd. is such an intermediary service organization. For example, real estate sales also use intermediary services.