原级：cornerstone
1. Greater private sector participation and increased human capital will also benefit the development of services, one of the cornerstones of economic restructuring in China.
2. cornerstones
2. His magnetic presence and golden tone remain the cornerstones of his performance style.
3. cornerstones
3. Optimum vaccination coverage and improved surveillance are the cornerstones of the nation's plan to eliminate measles.
4. Technologies such as radio frequency identification and sensors form the cornerstones of the network.
5. All of these offer ample proof that creativity and high production values are the cornerstones of topnotch sports programming.
6. Liu said it is one of the cornerstones of China's foreign policy to strengthen friendly cooperative relations with Africa.
7. But things have changed so much that some of the cornerstones for such controls are gone.