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金融模型的真正考验不在于它有多复杂,而在于它是否能很好地捕捉经济问题的本质特征。
释义:经历长久干旱后遇上甘霖的喜悦,比在异乡遇到老朋友还让人高兴。
Innovation is not just about new ideas, but about executing them in ways that create real value.
Sometimes you put walls up not to keep people out,but to see who cares enough to break them down.