自由的代价是永远保持警惕。
We need to think creatively about how to solve the world's biggest problems.
The intersection of biology and technology holds the key to future food systems.
The text is a tissue of quotations drawn from the innumerable centers of culture.
唯一好的教学是那种走在发展前面并引导发展的教学。
Collaboration across industries is key to solving the complex challenges of our time.