生产与保护之间的平衡很微妙，但可以实现。

When people are confronted with a problem, they often try to solve it by breaking it down into smaller parts. But sometimes, the solution lies in seeing the problem as a whole.

The strength of a building is not just in its materials, but in the spirit of the people who use it.

译文：每次见到贫寒的读书人，快要发达时，脸上一定有一片谦和之光散发出来。

The work on IVF was driven by the desire to help infertile couples.