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最可持续的森林是依赖它的社区所重视的森林。
The most sustainable forest is one that's valued by the community that depends on it.
南方不仅仅是一个地方。它是一种心态。
The AdS/CFT correspondence is a powerful tool for understanding quantum gravity.
The greatest hazard of all, losing one’s self, can occur very quietly in the world, as if it were nothing at all.