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I was so much older then, I'm younger than that now.
那时我老得多,现在我比那时年轻。
Immigration can have positive effects on innovation and productivity.
量化宽松的问题在于它在实践中有效,但在理论上却行不通。
从长远来看,每个程序都会变成洛可可式的,然后变成瓦砾。
人类留下的痕迹往往是伤痕。