higher primary ideal

例句：

1. 1.The higher primary ideal is to provide a safe and comfortable environment for children.
   更高一级的理想是为儿童提供一个安全舒适的环境。
2. 2. The higher primary ideal is to promote sustainable development and environmental protection.
   更高一级的理想是促进可持续发展和环境保护。
3. 3.The higher primary ideal is to create a better future for the next generation.
   更高一级的理想是为下一代创造更好的未来。