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61. Of course, it would be as dangerous to overreact to history by concluding that the majority must now be wrong about expansion as it would be to re-enact the response that greeted the suggestion that the continents had drifted. 62. While the fact of this consumer revolution is hardly in doubt, three key questions remain: who were the consumers? What were their motives? And what were the effect of the new demand for luxuries? 63. Although it has been possible to infer from the goods and services actually produced what manufacturers and servicing trades thought their customers wanted, only a study of relevant personal documents written by actual consumers will provide a precise picture of who wanted what. 64. With respect to their reasons for immigrating, Grassy does not deny their frequently noted fact that some of the immigrants of the 1630s, most notably the organizers and clergy, advanced religious explanations for departure, but he finds that such explanations usually assumed primacy only in retrospect. 65. If we take the age-and sex-specific unemployment rates that existed in 1956 and weight them by the age- and sex-specific shares of the labor force that prevail currently, the overall unemployment rate becomes 5 percent. 61、当然，对历史反应过度以致结论说关于扩张的问题大多数人都错了与重新形成对大陆漂浮建议理论的反应一样，是危险的。将来对于这些关键问题的研究毫无疑问是必要的，然而不应该否定最近研究结论的说服力，在18世纪的英格兰对于一些微不足道和有使用价值的商品和服务的需求，预示了我们今天的世界。 | 
