据说中国教科书使用寿命只有半年的翻译：Textbooks used in China is said to last for half a year 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Said that the Chinese textbooks, life is only six months

Textbooks used in China is said to last for half a year

It is said Chinese textbook service life only then half year

It was said that the Chinese textbooks only half life

Textbooks used in China is said to last for half a year