re·gion·al·ism /ˈriʤnəˌlɪzəm, ˈriʤənḷˌɪ-/
  行政區的劃分
  regionalism
       n 1: a feature (as a pronunciation or expression or custom) that
            is characteristic of a particular region
       2: a foreign policy that defines the international interests of
          a country in terms of particular geographic areas
       3: loyalty to the interests of a particular region