On the same day, the peace from the test center, a blank mind.

当日，安宁从检验中心出来，头脑一片空白。

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If you think that not thinking is the same as having a blank mind, then you're making the error of equating "the mind" with "thinking" and specifically with verbal thinking, or inner self-talk.

如果你认为不思考就等同于空白的心，那么你犯了错误，你在把“心灵”和“想法”，特别是口头的想法、或内心的自白划上等号。

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My mind was a blank and I couldn't remember her name.

我脑子里是一片空白，记不起她的名字了。

《牛津词典》

Pinker believes we live in a world that prefers to see the mind as a blank page ready to be overwritten by culture rather than something already shaped by our genes and evolution.

BBC: Aventis science prize 2003 - Pinker

In Mindnode, you start a mind map by writing your overall goal in the middle of a blank screen.

FORBES: 5 Best Apps for Getting and Staying Organized

In a "busy" environment, I will eventually go into sensory overload and my mind will go blank.

CNN: Asperger's: My life as an Earthbound alien