The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.
模型最重要的不是其假设，而是其结论。
单一货币的最大优势在于消除了汇率波动并降低了交易成本，从而促进了贸易和投资。
"Escribir es una forma de vivir, de respirar, de existir."
