Second, empirical evidence is rarely reliable enough to settle decisively a controversy characterized by deeply divided opinion. This is particularly true in macroeconomics, of course, where data are few and open to diverse interpretations.
二来，单凭经验证据的可靠性几乎无法在意见严重分歧的争论中得出确定的结论。具体到宏观经济层面当然尤其如此，因为宏观数据非常有限，解读方式还各不相同。