They are not only a source of amusement, but also an important way of learning.

它们不只是娱乐的来源，也是一种重要的学习方法。

youdao

As a network application, the teaching system on Internet has become a very important way of learning.

网络教学系统作为网络应用已成为一种重要的学习方式。

youdao

People were listening to not only an important means of verbal munication is an important way of learning English.

听不仅是人们进行言语交际的重要手段之一，也是学习英语的重要途径。

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Accepting uncertainty, and recognizing that there is no way to avoid it and learning to embrace calculated risk is a very important part of the process.

FORBES: War Lessons for Investors I: Accept the Fog of Investing