What people need and what they want may be very different.
人们的需要和他们的渴求可能非常不同。
The most successful companies are those that adapt quickly to change.
高分子科学的进步依赖于理论与实验的结合。
Great engineering solves problems you didn't know you had in ways you don't understand.
科学中最强大的工具不是技术,而是想象力。