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。

youdao

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。

youdao

It's been such a long time since I played.

自从我上次演奏以来已经过了这么长时间了。

《柯林斯英汉双解大词典》

"We believe since a long time that peace is possible and the vision of two states is the best thing.

VOA: standard.2009.11.02

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

It's been a really long time since I have personally followed basketball.

我个人看篮球真的已经很久了。

现场观看篮球赛 - SpeakingMax英语口语达人

Since for a long time their shares seemed only to go up, most firms must have assumed that their convertibles would be converted into equity.

ECONOMIST: Life after debt?

It's frustrating and it's been a long, long time since I had a feel for my pitches.

WSJ: Pettitte stumbles again as Yanks lose to A's 5-4

"It's been a long time since I enjoyed a Bond movie so much, " Charity wrote on CNN.com.

CNN: 2013 Oscar nominations: Who got snubbed?