Centralized districts的用法和樣例：
例句
- The central district used to be the county seat, therefore its economy is prosperous.
中心區由於曾是縣治，因此經濟比較繁榮。 - Distinctions such as those between the White areas and the Red areas also usually exist between the borders and the central district of a base area.
根據地的邊緣區和中心區的分別，也大體是如此。
