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    1. You figure anybody你认为。
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    2. who gives a crap about people in Africa任何关心非洲人生死的人。
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    3. must be full of it?就有关了吗?。
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    4. Yes.对。
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    5. There's an evolutionary imperative ,why we give a crap about我们关心自己的亲友。
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    6. our family and friends有进化理论作为理由。
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    7. And there's an evolutionary imperative同样有进化理由支持我们。
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    8. why we don't give a crap about anybody else.对其他人漠不关心。
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    9. If we loved all people indiscriminately如果我们无任爱人。
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    10. we couldn't function,Mm我们就失去功效了。