national autonomous regions的用法和样例：
例句
- The Xinjiang Uygur Autonomous Region is an ethnic autonomous area with the Uygur people as its principal body.
新疆维吾尔自治区是以维吾尔族为主体的民族自治地方。 - National autonomous areas adjoining foreign countries may develop border trade with the approval of the State Council.
与外国接壤的民族自治地方经国务院批准，开展边境贸易。
