By comparison, similar MCI patients in another long-term study of brain health — but without exercise — experienced cognitive, or mental, decline over a year.

相比下，在另一项关于大脑健康的长期研究中，类似的轻度认知障碍患者——但没有进——在一年中经历了认知或精神方面的衰退。

MCI is a condition that sometimes comes before Alzheimer's disease.

轻度认知障碍是一种有时会出现在阿尔茨海默的疾。

I mean it's the most successful business war was friends and family...MCI's friends and family in the last 10 years, and what was that?

MCI和与其关系密切的AT&T十年来的商战就是最好的例证，那到底发生了什么呢？

Researchers found around 300 inactive older adults with memory changes called mild cognitive impairment (MCI) .

研究人员发现，大约 300 名不活动的老年人的记忆力发生了变化，即患有轻度认知障碍。

And then I started hacking the phone system to get free codes on MCI and Sprint.

于是我开始破解电话系统，以获取MCI和Sprint的免费代码。