He called from Washington, having been there for 31 hours straight.

他从华盛顿打来了电话，他已在那里连续呆了31个小时了。

《柯林斯英汉双解大词典》

He swore to having been there then.

他发誓说当时他在那里。

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He removed all traces of having been there.

他抹去了他曾到过那里的所有痕迹。

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That's the very first place where there is a tradition of a Greek colony having been planted.

就是在那个地方,古希腊人历史上第一次建立了殖民地

耶鲁公开课 - 古希腊历史简介课程节选

I'd come back from Italy having evolved into an adult just by having been there.

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Several of them had proclaimed themselves experts in American species without ever having been there.

ECONOMIST: John James Audubon

Here, from Smith, singer Olivia Newton-John, and gynecological oncologist Dr. Carolyn Runowicz, herself a breast cancer survivor, is advice that can come only from having been there.

CNN: Olivia Newton-John, Jaclyn Smith on surviving breast cancer