出国旅游可以开阔眼界。

Traveling abroad can broaden your horizons.

旅行可以开阔眼界，增长见识。

Travel can broaden your horizons and increase your knowledge.

结交新朋友能开阔眼界。

Making new friends can expand one's horizon.

学习新语言可以开阔眼界。

Learning a new language can expand one's horizon.

阅读不同的书籍有助于开阔眼界。

Reading different books helps expand one's horizon.

旅游可以开阔眼界。

Travel can broaden your horizons.

出国可以开阔眼界。

Going abroad can broaden your horizons.

你需要开阔眼界，不要做井底之蛙。

You need to broaden your horizons and not be a person with a limited outlook.

旅行可以开阔眼界。

Traveling can expand one's horizon.

参加国际会议是开阔眼界的好方法。

Attending international conferences is a good way to expand one's horizon.