但这说起来容易做起来难；在欧洲和美国，最大的农场可以覆盖数千英亩。

But this is easier said than done; the largest farms in Europe and the U.S. can cover thousands of acres.

youdao

但是这说起来容易做起来难。

But this is easier said than done.

youdao

传统和学术气氛必须有所改变——当然这说起来容易做起来难。

There has to be a change in traditions and the intellectual climate - which of course is easier said than done.

youdao