一个不了解自己过去历史的民族就像一棵没有根的树。

A people without the knowledge of their past history is like a tree without roots.

根类蔬菜在秋天收获。

The root vegetables are harvested in the fall.

问题的根在于沟通不畅。

The root of the problem lies in poor communication.

问题的根在于缺乏沟通。

The root of the problem is a lack of communication.

你可以用牛蒡根泡一杯健康的茶。

You can make a healthy tea using burdock root.