One speaker argued that economists should give up on prediction and settle for explanation, identifying where earthquakes might strike, if not when, and how they might be withstood, if not prevented.

一位发言者主张，经济学家应该放弃预测和寻求解释，确定地震将会在哪而不是何时发生；地震怎样可以抗击，而不是如何可以避免。

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If, for example, engineering and construction companies build a dam or bridge of appropriate strength, an earthquake may not have a devastating impact and flooding might be altogether prevented.

例如，如果工程和建筑企业建造一个强度适当的水坝或桥梁，地震可能不会对其产生破坏性影响，因而可能可以完全避免洪灾。

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If any authorized user can write a report, they must be prevented from accessing data that does not belong to the tenant of which they are part.

如果任何已授权的用户可以编写报告，那么必须阻止他们访问不属于其所属租户的数据。

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One speaker argued that economists should give up on prediction and settle for explanation, identifying where earthquakes might strike, if not when, and how they might be withstood, if not prevented.

ECONOMIST: Economics focus

In principle, in a free society, people (adults, at least) should not be prevented from doing something if it does not harm others.

ECONOMIST: Shopping for a drugs policy

While you may not see reductions statistically, you can't talk about crime that it has prevented if it's not on the books first.

NPR: Public Surveillance: Security vs. Privacy, Part 2