名詞 guideline:

1. a light line that is used in lettering to help align the letters
2. a detailed plan or explanation to guide you in setting standards or determining a course of action
   同義詞：road map
3. a rule or principle that provides guidance to appropriate behavior
   同義詞：guidepost, rule of thumb

1. One of the reforms allows the local education department to choose their own textbooks based upon the national teaching guideline.
   其中之一就是允許地方教委在國家教學大綱的指導下選擇合適自身的教材。

guide.line

n.（名詞）
A statement or other indication of policy or procedure by which to determine a course of action:
指導路線，方針：對政策或路線的陳述或其它指示，用以決定行動的步驟：
例句：
guidelines for the completion of tax returns.
指導完成退稅的方針