Since a long time ago, Halloween has been connected with the ghosts.

从很久以前，万圣节就与鬼联系在一起。

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Our city is beautiful. It has been famous for Mount Huaguo since a long time ago.

我们的城市很漂亮。在很久以前它就以花果山而闻名。

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Vampires have existed since a long time ago.

吸血鬼很久以前就有。

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So I gave you some numbers I made up actually a long time ago, but since I've been using this game in class, somebody went out and checked.

我列举的数字都是我很久前编出来的,在我需要在课上引用数字的时候就有了,有人还为此做了调查

耶鲁公开课 - 博弈论课程节选