友谊是没有羽翼的爱

Vulnerability is not weakness, it's radical honesty.

The ocean is not just a resource; it's our responsibility to protect and sustain it for future generations.

学习理论中的一个关键见解是，假设类的复杂性对于泛化至关重要。

解释：大部分茶都是寒性的，而绿茶却是温性的，体现了茶性质的差异。