The energy of a people varies with the weather and the seasons.
一个民族的活力随天气和季节而变化。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The true poet is a man who is always in love with life.
The forest is not just a resource; it's the legacy we leave for future generations.
质量安全是水产品的生命线，我们必须严把质量关。