到海外旅游或者参加交换项目的原因有很多，但最重要的原因是你可以开阔眼界。

There are numerous reasons to travel or go on an exchange, but the most important one is: it will broaden your horizons.

youdao

到海外旅游或者参加交换项目的原因有很多，但最重要的原因是你可以开阔眼界。

There are numerous reasons to travel or go on an exchange, but the most important one is: it will broaden your horizons.

youdao