在韩国，消费者可以说是真正享受到了当“上帝”的欢愉和快乐。上门服务在商界日趋普及，蔚然成风。 初次来到这个国度，人们都会注意到单元楼住户的大门与众不同，在它的右下方有一个碗口大小的圆洞。令人迷惑不解的是，圆洞洞回的内外分别有一个小圆门，既可以闩住，又能够打 In South Korea, consumers can truly enjoy the happiness and joy of being God. On-site service is increasingly popular in the business world, a common practice. When they first came to this country, people noticed that the door of the unit’s tenants was different. There was a round hole in the lower right corner of the unit. It is puzzling is that round holes inside and outside the hole have a small door, both can latch, but also to fight