民主的未来取决于其适应新挑战和自我更新的能力。
The future of democracy depends on its ability to adapt to new challenges and to renew itself.
The history of mathematics is a testament to the ingenuity and creativity of the human mind.
能源转型不仅仅是燃料的转换，更是整个系统和思维方式的转变。
I'm not a concert, I'm a opera.
现在是唯一没有尽头的东西。