商标必须具有显著性，但一个不具有显著性的标记在长期使用后会形成“第二含义”而获得显著性。
Having been used for a long time, a indistinctive symbol will gain "secondary meaning" and become distinctive.
商标必须具有显著性，但一个不具有显著性的标记在长期使用后会形成“第二含义”而获得显著性。
Having been used for a long time, a indistinctive symbol will gain "secondary meaning" and become distinctive.
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