怎么翻译课本上的这句,求高手,急

the all about english textbook builds on the Engish lessons you have had since primary所有的英文教材 建立在你从基础课到现在的课程上,and specially designed to help you become a more confident and competent user of the language旨在帮你成为一个更自信,有竞争力的语言使用者。