Simplicity of action, however, feels a greater challenge.

简单的行动，但是，感到有更大的挑战。

youdao

The fact is that we got to like the simplicity of it, how physical action A produced result B.

事实是我们开始喜欢它的单纯， 如何实际的行动A产生结果B。

youdao

One of the most important factors of engagement includes LISTENING to your audience and if they desire simplicity, then that should be a call to action on the part of the company.

FORBES: More on Why 'Marketers Have It Wrong'