我们身体的每个细胞都有一个故事要讲,我们只需要学会倾听。
The only limits you have are the limits you believe.
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
The forest is not just a resource; it's the legacy we leave for future generations.
能源独立能增强经济实力并提升国家安全。
因果关系的阶梯有三个梯级:观察、行动和想象。