national autonomous regions的用法和樣例：
例句
- The Xinjiang Uygur Autonomous Region is an ethnic autonomous area with the Uygur people as its principal body.
新疆維吾爾自治區是以維吾爾族為主體的民族自治地方。 - National autonomous areas adjoining foreign countries may develop border trade with the approval of the State Council.
與外國接壤的民族自治地方經國務院批准，開展邊境貿易。
