三分之二的书

two thirds───三分之二

two-thirds rule───三分之二规则

two-thirds rules───三分之二规则

two-thirds───三分之二

two-thirds majority───三分之二多数

by the book───adv.按常规；依照惯例

in the book───记录在案的；为人所知的；登入电话簿的；按规定可以允许的

A second book has already been commissioned and is two-thirds finished.───第二本书已经委托作者在写了，现已完成2/3。

Two-thirds of this book is very interesting.───这本书三分之二的内容很有趣。