对任何一个市场，在正常消费和生产之外有少数专业投机者，他们能够赚钱，创造财富，对社会有利。 但是当投机者太多时，投机市场变成了赌场，对社会不利。
Then speculation will be turned into gambling, which is of no benefit to society.problems of too many speculators in China's real estate market and the stock market exist.
新法规似乎不利于社会中的最贫困者。
The new law appears to penalize the poorest members of society.
为什么人类会演化出这种反应？它会通过人们透露出已在欺诈或撒谎，而迫使他们陷入社会的不利处境。
Why would humans evolve a response that puts us at a social disadvantage by forcing us to reveal that we have cheated or lied?
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