It's only endemic, that means only naturally occurring in certain countries.

这是种地方性疾病,这意味着仅在几个特定国家中发病

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I mean that, that's an endemic problem. But, you know, I mean the rules are actually pretty simple.

那是一个地域性的问题。但是，这其实是非常简单的规则。

经常犯的失误 - SpeakingMax英语口语达人

In the case of the Netherlands, anti-Catholicism is endemic.

而在荷兰,反天主教主义盛极一时

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