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可持续经济增长的关键在于全要素生产率的持续提升。
Probability theory is nothing but common sense reduced to calculation.
I'm just a woman. And as a woman, I have no way to make money, not enough to earn a living and support my family. Even if I had my own money, which I don’t, it would belong to my husband the minute we were married. If we had children they would belong to him, not me. They would be his property. So don’t sit there and tell me that marriage isn’t an economic proposition, because it is.