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有时候,最难的事情和正确的事情是同一件事。
我们必须听取科学家的意见,并根据他们对海洋生态系统的警告采取行动。
Profitability and sustainability must go hand in hand—they are not mutually exclusive.
The goal of mathematics is to understand the patterns of the universe.
Economic inequality is not just a moral issue; it’s an economic one as well.
在数学中,你不理解事物。你只是习惯它们。