动物保护者们现在担心，他们的这一最新发现可能意味着该地区偷猎大象的非法行为正日益增多。
Conservationists are now worried that this latest find could mean that poaching is on the rise in the area.
Collage也意欲模仿合法用户的流量模式，这样一来就不会产生电子指纹，而电子指纹可能会提示非法行为。
Collage also aims to mimic the traffic patterns of legitimate users, so that digital fingerprints which may suggest illicit behaviour are not produced.
那部分额外的收入可能来自于未报告的工作或者非法行为。
That additional income might have come from unreported employment or illegal activities.
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