a unitary multinational state的用法和样例：
- The People's Republic of China is a unitary multinational state created jointly by the people of all its nationalities.
- The foundation of a unitary multinational country accelerated the birth of the unitary national spiritual culture.
- Ours is a unitary multinational country, and the present development of national autonomous areas requires local governments to heighten their ability as soon as possible.
- Besides, it suggests that Afghanistan cannot be a unitary state.