这是最好的时代，这是最坏的时代。
The true value of a company lies in its ability to adapt and grow in harmony with nature.
Cada libro es un mundo por descubrir, lleno de sorpresas y enseñanzas.
The circular economy isn't just good for the planet - it's good business.
教师是太阳，学生是月亮。教师发光，学生反射。