据说中国教科书的使用寿命是半年，而美国则是的翻译：Textbook of life in China is said to be half a year, and the United States are 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

It is said that the service life of the Chinese textbooks for six months, while the United States

Textbook of life in China is said to be half a year, and the United States are

It is said the Chinese textbook service life is half year, but US is

It was said that the Chinese textbooks are half life, and the United States is

Textbook of life in China is said to be half a year, and the United States are