改革 (gǎi gé): การปฏิรูป

China's reform and opening-up policy began in 1978 and greatly changed the country's economic landscape.

In order to improve production efficiency, the company decided to reform its management system.

Education reform is an important issue that many countries are concerned about.

This reformer had the courage to challenge traditional ideas and promoted social progress.

Economic reform requires balancing the interests of all parties and cannot be achieved overnight.