This is a map of the relationships between people in my hometown of Baltimore, Maryland, and what you can see here is that each dot represents a person, each line represents a relationship between those people, and each color represents a community within the network.
这是我的家乡马里兰州巴尔的摩 人与人之间的关系图， 你在这里看到的是  每点代表着一个人， 而每条线代表那些人之间的关系， 而每种颜色代表网络内的社区。