An open book (某物)容易理解;(某人)坦诚,没有秘密
open adj. 打开的
My life is an open book.我的生活很简单。
There’s no secret between us, she’s an open book to me.我们之间没有秘密,我对她是了如指掌。
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by the book 完全按照规章制度办事,按照规定,照章办事
go by the book 依章办事
play by the book按规定来
do something by the book按规定做某事
run something by the book 按规定管理、运营
The manager do...