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Why Decry the Wealth Gap?
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贫富差距，为什么要谴责它? |
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Why Did God Try to Kill Moses (4:24-26)?
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为什麽上帝想要杀摩西? |
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Why Did Lady Liberty Hold a Torch?
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为什么自由女神要举火炬? |
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Why Did Peruvian Workers Quit?
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为什么秘鲁工人离职呢? |
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Why Do Baby Teeth Fall Out?
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为什么乳牙会脱落？ |
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Why Do Baroclinic Waves Tilt Poleward with Height?
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为什么斜压波随高度向极倾斜？ |
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Why Do Humans Have So Few Genes?
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人的基因为什么这样少？ |
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Why Do I Need to Worry About This?
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为什么我需要担心这个问题？ |
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Why Do Mosquito Bites Itch?
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为什么被蚊子叮了会痒？ |
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Why Do People Blink?
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为什么会眨眼睛？ |
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Why Do People Like to Try Their Luck on Lottery?
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人们为什么热衷于摸彩票？ |
