她想转行，但她知道这说起来容易做起来难。

She wants to change careers, but she knows it's ___easier ___said ___than ___done.

我的老板也承认，降低成本是说起来容易做起来难。

My boss agreed that reducing costs is ___easier ___said ___than ___done.

在当今快节奏的世界里，实现完美的工作与生活平衡是说起来容易做起来难。

Achieving a perfect work-life balance is ___easier ___said ___than ___done in today's fast-paced world.