a book written for professionals and laymen alike
一本内行外行都可以读的书
英语解释：a person who does not have expert knowledge of a particular subject 非专业人员；外行；门外汉
,
a book written for professionals and laymen alike
一本内行外行都可以读的书
英语解释：a person who does not have expert knowledge of a particular subject 非专业人员；外行；门外汉
,
