When we protect marine ecosystems, we're ultimately protecting human livelihoods.
法律义务的概念对于理解法律至关重要。
I am always glad to think that my education was, for the most part, informal, and had its roots in the soil.
最重要的是被感动,去爱,去希望,去颤抖,去生活。
The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.