篇章：身体—大脑，体力—脑力的同等较量———通过训练体能发生改变这是我们可视的。那大脑呢？如果大脑也可塑，为什么。对于不同个体效果一样吗。自己又如何因材训练呢。
【part1】引入机体内环境类比，大脑可塑，且两者皆要有度。
内环境稳态：homeostasis 生理书上称自稳态：机体内环境的理化性质保持相对恒定的状态。是机体保持正常生命活动必需的。而机体外环境不断变化，寒冷高温缺氧等，为维持内环境稳定，通过各种反馈机制(feedback mechanism)进行调节代偿，达到新的平衡状态适应状态，如果失代偿就患病了啦。也就是它不是固定不变，是一种动态平衡——动态静止的
·身体对环境调节：不改变没提高，过度改变失代偿可能受伤（you need to continually push to keep the body’s compensatory changes coming, but if you push too far outside your comfort zone, you risk injuring yourself and actually setting yourself back.）
·大脑对精神调节：量变引起质变会重塑大脑结构，但过度却空耗精气神（In the brain, the greater the challenge, the greater the changes，On the other hand, pushing too hard for too long can lead to burnout and ineffective learning. ）
I. All in all，The brain, like the body, changes most quickly in that sweet spot where it is pushed outside—but not too far outside—its comfort zone.
【part2】类似于“只有不好的老师没有不好学生”争论——训练一样效果一致？
Basic details：Regular training leads to changes in the parts of the brain that are challenged by the training. （illustrated by the example of Taubes and researches in every area)
Additional details:
Age：larger effect in younger people～一生之计在于春嘛
Cost：regress other area～也就是整体分割就一个大脑啦，A区变大B区变小咯
Upkeep ：training require upkeep. Stop training, start to go away～为学日益，用进废退
———简而言之：刻意训练，不负韶华，正视自己能力，日益精进
【part 3】训练就够了，no no no ~
1.明确目的：not just to reach your potential but to build it, to make things possible that were not possible before.
2.正确高效方法： deliberate practice.
词汇
1.status quo
原文：Thus, the body is equipped with various feedback mechanisms that act to maintain the status quo.
意义：the state of a situation as it is
可与动词maintain，preserve,defend 连用，表示维持某种状态不变
仿写：we should betry to our best to break the status quo bravely.
2.catch
原文：But there is a catch: once the compensatory changes have occurred，，，
意义：a drawback or difficulty that is not readily evident
同义：gimmick
仿写：your plan sounds like perfect,yet there is a catch about detail.
3.on the other hand
原文：On the other hand, pushing too hard for too long can lead to burnout and ineffective learning.
意义：另一方面，but then ,引出不同，尤指对立的观点和思想，有转折意思，而不是并列；
反义词on the one hand
仿写：on the one hand ,we prefer to have a stable life,on the other hand ,we want to break the status quo.
问题：朗文词典on the one hand 和on one hand 不同义，朗文词典是一样的，牛津词典没查到on one hand。
4.albeit
原文：If you don’t keep pushing and pushing and pushing some more, the body will settle into homeostasis, albeit at a different level than before, and you will stop improving
意义：used to add information that reduce the force or importance of what you have just said
同义：although
仿写：The professor don't admire his hard-work, albeit he have made great improvements in the area of oncology.
今日思考
突破稳定改变调定点阈值做出改变，而对于每个调定点来说，当达到新的平衡就又趋于稳定了状态了keep stability～又回到原点的样子，是的，如《大学》中“苟日新，日日新，又日新”需要我们不断日益精进，于学习、工作、生活。打破，稳定，在打破，在稳定，直到量变引起质变达到extraordinary excellence。作者提到要有度，不然对自己并无所益，同意。但是日常赶脚自己付出的努力并未有达到他所言那个度，自己所能达到的度比自己所想的要深，而所谓日常张驰有度的说法只是偷懒的借口，半弓状态，却用弓满益折来宽慰自己，要做到不自欺。
写作
1.类比比较～compare and contrast
* body ～brain；physical ～mental——作者由可视的，普遍感知的人体机体的改变对比比较中说明抽象的大脑变化，形象化
*consider this....，The same thing is true for ....
2.#这些解释句#
This is the general pattern for how...
This is how...
This explains the N of ...
3. Strength fades. Speed diminishes. Endurance wilts.动词，短句
