Well , You all know well about p2p download software like emule, bitcomet for downloading the latest movies and games.
大家一定都對電驢，比特彗星之類的p2p下載軟件非常熟悉，我們經(jīng)常用他們來下載各種電影和游戲。
So, one day when one of our student said:"I think only when you can teach somebody one kind of knowledge and make him or her fully understand that, you truly master that knowledge " ，suddenly I came up this idea.
一天，當我們的一個學生說到“我覺得只有當你把一個知識能給別人講明白了，你自己才是真正掌握了這個知識”的時候，我突然有了這個想法。
The knowledge structure of students is incomplete.some get block A and block B of knowledge while some get block A and block C.
學生們的知識結(jié)構(gòu)是不完整的。有些人知道掌握了A部分和B部分，而另一些人掌握了A部分和C部分。
That seems alike what happened when different people are downloading the same file.
這看起來非常像不同的人同時在下載一份文件。
Most blocks of two different students may overlap.So,if students who has already possessed the most blocks can be the knowledge download source like teacher, the workload of teachers will largely reduced.
兩個不同學生的大部分知識結(jié)構(gòu)是重合的。所以我們可以讓掌握知識最全面的同學成為知識的“下載源”，那么老師的工作負荷將大幅減少。
The only thing they need to do is teaching the small amount of students who stand at the top of the pyramid.
老師只需要教會那些知識金字塔頂端的一小部分學生。
It looks like p2p download system we used everyday.Not only the burden of teachers will be much relieved , the students worked as a download source can really understand and master the knowledge while teaching other classmates.
這看起來非常像我們每天所用的P2P下載。不僅僅是老師的負擔減輕了。通過教授其他同學，作為“下載源”的學生真正的理解并掌握了知識
(This is just a practice of written English,please feel free to distribute it 這僅僅是一個英語寫作的練習，轉(zhuǎn)發(fā)請隨意)
By Michael Chow (作者：周星，樂學高考運營經(jīng)理)
