As a student, when we also have trouble, the satchel that is us is too heavy, the book is too much!
作为一名学生，我们也有烦恼的时候，就是我们的书包太重了，书太多了！
Blink, passed 50 years, arrived 2070. Our satchel produced change!
一眨眼，过了50年，到了2070年。我们的书包发生了变化！
I pass long research, invented a kind of magical satchel, not only the shell is beautiful, and very deft still. Rectangular design, symmetrical design, without the adornment of too much flowery, the pushbutton of different color is representing different function: Gules key-press is to be able to consult of the data, green key-press can enjoy music, maize key-press can check work automatically, the intermediate still has a white key-press of satchel, press gently, it can shrink automatically a book. The name of the book cries " 100 thousand why " can read at any time, let you have a good swim the ocean in knowledge.
我经过长时间的研究，发明了一种神奇的书包，不但外形美观，而且还非常轻巧。长方形的设计，对称的图案，没有太多花哨的装饰，不同颜色的按钮代表着不同的功能：红色按键是可以查阅资料的，绿色按键是可以欣赏音乐的，黄色按键是可以自动检查作业的，书包的中间还有一个白色的按键，轻轻一按，它就会自动缩成一本书。书的名字叫《十万个为什么》可以随时阅读，让你畅游在知识的海洋。
On the bag belt of satchel, still have a magical ring tab key, because of the book that studies everyday a lot of, so satchel carries those who fill in completely on the back, of the back too heavy composition, to reduce weight, want to press ring tab key only, satchel can shrink the packet of palmar size, can fill in in the pocket, also can cover ring tab on finger, loosen to be able to take satchel loosely to go to the school gently so, because satchel is too heavy,parents need not worry more and affected grow development.
书包的包带上，还有个神奇的拉环键，因为每天学习的书本很多，所以书包背塞得满满的，背的太重了作文，为了减轻重量，只要拉一下拉环键，书包就能缩成手掌大小的小包，可以塞在口袋里，也可以把拉环套在手指上，这样就轻轻松松地就可以带着书包去学校了，家长们更不用担心因为书包太重而影响了生长发育。
It was brought to our study not only convenient, it still has a the most magical function, it is it still be a flight satchel, want us to carry it on the back on the body only, the setting is good go to school, the flight time that classes are over, it is OK and punctual control the route, accomplish safe flight.
它不仅给我们学习带来了方便，它还有一个最神奇的功能，就是它还是个飞行书包，只要我们把它背在身上，设置好上学、放学的飞行时间，它就可以准时的把控行程，做到安全飞行。
It still can become dust collector occasionally, cleared dirt and rubbish, protect an environment, green environmental protection. It changes to season, can remind clothings of our increase and decrease.
它有时候还能变成吸尘器，清除灰尘和垃圾，保护环境，绿色环保。它一到季节变化，就能提醒我们增减衣物。
This magical satchel that I invent, already light beautiful, already environmental protection energy-saving, it will meet with everybody 2070, students can carry it on the back to go to school every day! Are you very expect?
我发明的这款神奇书包，既轻便又美观，既环保又节能，它将在2070年与大家见面，学生们就能天天背它上学啦！你们是不是很期待呢？(文/卜弈然)