ph.
1. He did everything by the book.
他一切都按常规办。
2. Airplane pilots must always fly by the book.
飞行员应按规则飞行。
1. 照章办事：break even 不赔不赚 | by the book 照章办事 | cast a cloud over 泊冷水、使蒙上阴影
2. 有根据,照章办事：by hook or by crook 不择手段 | by the book 有根据,照章办事 | by leaps and bounds 大幅度的,飞速的
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