我的书包太重了，我背不起的翻译：My bag is too heavy, I can't afford to back 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

My bag is too heavy, I can not afford to back

My bag is too heavy, I can't afford to back

My book bag too has been heavy, I cannot carry

My bags were too heavy, and I do not play back

My bag is too heavy, I can't afford to back