I missed out on some once-in-a-lifetime trips. My fiance went all over Europe in college and I am very jealous of her for it.

如果可以就去国外念书，我错过了许多次千载难逢的旅行机会，我未婚妻就曾在大学时游遍欧洲，对此我非常的妒忌。

youdao

Study abroad if you can. I missed out on some once-in-a-lifetime trips. My fiance went all over Europe in college and I am very jealous of her for it.

如果可以就去国外念书，我错过了许多次千载难逢的旅行机会，我未婚妻就曾在大学时游遍欧洲，对此我非常的妒忌。

youdao

My possibly once-in-a-lifetime visits to locations well outside my everyday routine today are lost forever.

这个好地方我一生可能只来一次，就在今天我的日程记录彻底消失了。

youdao

She didn't leave my side for two years and when I was given a once in a lifetime trip to New York for my birthday, I trusted Ben to look after her.

BBC: Ben Raftery

"We know Houdini performed in Essex only once in his entire lifetime and it is something special to realise that it took place in my home town, " said Mr Burrell.

BBC: News

From the very moment I found out I had this once-in-a-lifetime opportunity, I committed to taking full advantage of it, giving it my all.

CNN: The key to fitness? Schedule it in