比这些先进武器更具有跨时代意义的新发明当属铁路。
More important than these advanced weapons were larger-scale technological innovations such as the railroad.
梅尔博士的研究并不具有跨时代意义，而且这一研究也没有在谈话的类型与快乐的程度之间建立起明确的因果关系。
Dr. Mehl’s study was small and doesn’tprove a cause-and-effect relationship between the kind of conversations one hasand one’s happiness.
可见，对大学生进行社交礼仪教育具有跨时代、跨世纪的特殊意义。
The good manners education has cross-age, cross-century special significance to college students.
可见，对大学生进行社交礼仪教育具有跨时代、跨世纪的特殊意义。
The good manners education has cross-age, cross-century special significance to college students.
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