海鲜的真正成本不仅仅是价格标签——还有环境影响。
海洋的健康反映了地球的健康。我们必须立即采取行动保护两者。
The true value of a forest cannot be measured in board feet alone.
采矿业的创新不仅仅是技术，更是思维方式的改变。
The most important skill for a computer scientist is problem-solving.