这一比喻的吸引力可能应该归结到美国人不仅对其军队（这一点可以理解 ） ， 还对广义上的武力的过度信赖。 而后一点着实令人对这个富于智慧的民族感到费解。
The attraction of this metaphor may be attributable to the excessive trust that Americans place not only in their army, which is understandable, but in force in general, which is much less understandable in the case of an intelligent people.