后来，欧洲的天文学家们写了一些关于太阳黑子的文章，但他们并不相信这些黑子确实存在于太阳上。

When later European astronomers wrote about sunspots, they didn't believe that the spots were actually on the Sun.

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幸运的是，这些变化确实存在于照片虎中。

It is fortunate that such change have really existed in the Photo tigers.

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我觉得可以说嘉年华狂欢精神确实存在于他的作品中。

I think one can say that the spirit of the carnival certainly got into his paintings.

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We also know that Semitic slaves are well attested in Egypt at this time, the end of the thirteenth century: we also have records of that.

我们也知道闪族奴隶在此时期确实存在于埃及，在十三世纪末期，我们也有与此相关的记录。

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