version：更偏重于改变，是一个动态的过程，体现在新旧对比之中的不同。different from earlier or later forms。

edition：更偏重平滑的过渡，更多表现新旧之间的承上启下的同源特性。

当然，更简单的你也可以这么理解：

version：加入了新东西，相比老版本有比较清晰的变化。

edition：东西没变，改变了包装和营销方式

N-COUNT 变化形式;变体;版本A version of something is a particular form of it in which some details are different from earlier or later forms.

...an updated version of his book...

他的书的最新版本

Ludo is a version of an ancient Indian racing game...

鲁多是由一种古印度竞赛游戏演变而来。

2

N-COUNT （某人对某事件区别于他人的）描述，说法Someone's version of an event is their own description of it, especially when it is different to other people's.

Yesterday afternoon the White House put out a new version of events...

昨天下午，白宫对事件给出了另一种说法。

She and her friends wanted to go public with their version of the incident...

她和朋友们想把他们看到的事情经过公之于众。

edition

N-COUNT 版;版本An edition is a particular version of a book, magazine, or newspaper that is printed at one time.

A paperback edition is now available at bookshops.

平装本现在在书店可以买到。

2

N-COUNT (书或报纸的)一次印刷量，版次An edition is the total number of copies of a particular book or newspaper that are printed at one time.

The second edition was published only in America.

第二版只在美国出版。