These activities are the fabric of the friendship. It is a doing relationship in which similarity in interests is the key bond.

这些活动是友谊的结构。这是一种处事关系，其中兴趣相近是关键的纽带。

You have to tease apart physical activity and structured strength training or resistance training.

你必须区分日身体活动与结构化的力量训练或阻力训练。

And when we looked at that structure and its activity during learning in the sleep group, they had wonderful, powerful activation of the hippocampus as if it was gobbling up all of that new information into the inbox.

当我们眠组在学习过程中的这一结构其活动时，他们的海马体有着非和活跃的激活， 仿佛在贪婪地将所有新信息吸入收件箱一样。

So from small to big and then over here how many parts it has from just one piece to a really complex toy with gears and moving parts and things like that.

因此，从小到，再到这边，玩具由仅有一部分到拥有齿轮、活动部件等复杂结构。

It does in the sense of like sometimes useful that structure, if you're giving a talk and all that kind of stuff, obviously.

显然， 在某些场合，比如做演讲或类似活动时，这种结构有时是有用的。

While such events may happen spontaneously, it is much more likely that flow will result either from a structured activity or from an individual's ability to make flow occur, or both.

虽然这样的事件可能会自发发生，但更有可能的是， 心流会由有结构的活动或个人促使心流发生的能力，或者两者兼而有之而产生。

Being physically active is associated with direct changes in the structure and the function of the brain.

身体活动与脑结构和功能的直接变化密切相关。

So, in addition to considering the external conditions, or the structure of flow activities, we need also to take into account the internal conditions that make flow possible.

因此，除了考虑外部条件或流动活动的结构，我们还需要考虑使流动成为可能的内部条件。