简单观念的不简单性根源在于人类感觉活动的复杂性。

The simple notional and remarkable source consists in the complexity that mankind feel activity.

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大家早上好，希望大家在经历了上周的活动后感觉还不错。

Good morning everyone, I hope you're all feeling OK after the activities of the last week.

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在心理学上，我们完全集中精力于一项活动中的感觉被称为“心流”。

In psychology, the feeling of complete and energized focus in an activity is called flow.

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And we never do anything intellectual like I did in college. I feel stupid.

我没有机会像在大学那样做一些脑力活动了。我感觉我的脑子要锈掉了。

I feel like 实战 - SpeakingMax英语口语达人