这些划时代性人物所代表的人生是难以模仿的，但也被公认为比凡人具有更高的权威。
These epochal figures represented lives hard to imitate, but to be acknowledged as possessing higher authority than mere mortals.
一个企业的核心竞争力是企业所特有的，是竞争对手难以模仿的。
An enterprise's competitive power of core is its own character and it is difficult for its opponent to copy.
网络营销系统是公司的难以模仿的竞争能力和可以获取收益的无形资产。
The network marketing system is the competition ability of the hard mimicry of the company with can obtain income of immaterial assets.
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