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大多数人的问题在于他们用希望、恐惧或愿望思考,而不是用头脑。
纠正一个错误与建立一个新的真理或事实同样有益,有时甚至更好。
The idea of inflation is that the universe underwent a period of extremely rapid expansion in its earliest moments.
Sustainability isn't an option—it's a responsibility we owe to future generations.