septs says to YSITD https://zh.wikipedia.org/wiki/%E4%B8%AD%E8%8F%AF%E6%B0%91%E5%9C%8B%E9%A6%96%E9%83%BD#%E4%B8%AD%E8%8F%AF%E6%B0%91%E5%9C%8B%E6%94%BF%E5%BA%9C%E9%81%B7%E8%87%BA%E5%BE%8C%E9%A6%96%E9%83%BD%E6%89%80%E5%9C%A8%E4%B9%8B%E7%88%AD%E8%AD%B0 没有首都