The higher the order of a central place, the larger the area it serves and the fewer such places exist.
中心地的等级越高，其服务的区域越大，此类中心地的数量越少。
有没曾阅读过的书，没有不可对人说的事。
All things are possible until they are proved impossible and even the impossible may only be so, as of now.
Markets are not just about transactions; they are about the flow of information and the trust that underpins those transactions.
这不是关于输赢，而是关于你如何玩游戏。