对我来说，成为交换生的经历非常宝贵，因为我有了一段特别的经历。

The experience of being an exchanged student was very precious to me for I had special experiences.

youdao

我们流亡的经历给了我们许多宝贵的教训。

Our experience as refugees taught us many valuable lessons.

《牛津词典》

我很珍惜那段时间，因为那真的是一段宝贵的经历。现在让我和你一起分享。

I treasured that period of time because it was really a valuable experience. Now let me share it with you.

youdao