How could such an ephemeral relationship be reliably captured ?

怎样才能可靠地抓住这种转瞬即逝的关系呢？

Science may someday allow us to predict human behavior comprehensively and reliably .

科学，或许有一天，将能够让我们全面和可靠地去预测人类行为。

But experience over the past 30 years has shown that this is not reliably the case .

但是过去30年的经验告诉我们，这次确实不是这么一回事了。

Few variables are as reliably correlated with economic growth as respect for private property .

很少有其他变量会像“尊重私产”一样可靠地与经济增长相关。

Such situations require that we understand every interaction before we can reliably understand any of them .

在这种情况下，我们必须首先理解每一步反应，然后才能可靠地理解它们中的任何一部分。