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Learning is not a passive process; it involves the active construction of knowledge.
When I see someone wasting a glass of water, I think of those who don't have water on Earth.
在一个大组织的世界里,个人感到被困和无助。
The concept of law involves the union of primary and secondary rules.
记忆是一件复杂的事情,是真相的亲戚,但不是它的双胞胎。