青云翻译

It is said that our life is generally half of the textbooks, while the United States is five years, which shows that our waste is serious. China has two hundred and twenty million students a year to use three billion textbook, which requires the consumption of eleven million trees. If the life of th

Textbook of life in China is said to be half a year, and the United States is five years, this shows that our waste seriously. There are 220 million students in China, with 3 billion each year textbook, which takes about 11 million trees. If textbooks to extend the life of one year, you will save a

It is said our country's textbook life generally is half year, but US is five years, this explained our country wastes the phenomenon to be serious.Our country has 220,000,000 students, must use 3,000,000,000 textbooks every year, this needs to consume 11,000,000 trees.If lengthens again the textboo

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Textbook of life in China is said to be half a year, and the United States is five years, this shows that our waste seriously. There are 220 million students in China, with 3 billion each year textbook, which takes about 11 million trees. If textbooks to extend the life of one year, you will save a