我国有两亿两千万学生，每年要使用三十亿本的翻译：220 million students in China, use 3 billion 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

China has 220 million students each year to three billion

220 million students in China, use 3 billion a year

Our country has 220,000,000 students, must use 3,000,000,000 every year

We have 220 million students each year to use the 3 billion

220 million students in China, use 3 billion a year