central traffic controller

例句：

1. 1. The city is located at the central point of the country.
   这座城市位于该国的中心位置。
2. 2. The central government has made significant decisions regarding the economy.
   中央政府已经就经济问题做出了重大决定。
3. 3. The central bank controls the money supply in the country.
   中央银行控制着国家的货币供应量。