He is unworthy to live who lives only for himself.
Sustainability is not just about planting trees; it's about planting the right trees in the right places and ensuring they thrive for generations.
书籍是反映我们挣扎的镜子。
发现的快乐无疑是推动科学前进的动力。
We must listen to the science and act decisively to preserve marine biodiversity.