subinfeudation system的用法和樣例：
例句
- The system of enfeoffment was one of the major measures adopted by the Western Zhou dynasty to consolidate its power.
分封制是西周王朝鞏固統治的重要措施。 - After Qin Shi Huang unites six countries, will the system of enfeoffment have been transformed into the system of prefectures and counties.
秦始皇統一六國后，就把分封制改為郡縣制了。
