Such logic two hundred years ago would have prevented expansion westward past the Appalachian Mountains, for assuredly the Eastern Seaboard was beset by problems of great urgency then, as it is today.

• 这种逻辑在二百年前会妨碍我们跨过阿巴拉契亚山脉向西开拓，因为当时的东部沿海地区像今天一样为极其紧迫的问题所困扰。