In this world , average performance may prove to be quite a few standard deviations away from world class .

在这个世界中，平均表现距离世界级水准或许相差好几个标准差。

Sometimes such deviations are caused by faulty meters . Sometimes they are caused by leaks .

有时，这样的偏差是仪表错误造成，有时它就是由渗漏造成的。

Even the sacrosanct assumption of rationality has been attacked : there are systemic deviations from rationality and consequences for macroeconomic behaviour that need to be explored .

就连至高无上的“理性”假设也受到了攻击：人们需要研究宏观经济行为的理性和后果的系统偏差。

It is assumed that everything can be planned for upfront and any deviations from plan are generally punished .

它通常假设所有的事情都可以事先计划好，任何偏离计划的行为都会受到惩罚。

More deviations occurred when the government responded with ineffective , temporary stimulus packages .

政府以更加背离的原则应对无效、短暂的刺激计划。