how-to

adj.（形容詞）
Offering practical advice and detailed instruction in an activity.
提供關于某一活動之建議與詳細指導
n.（名詞）
【復數】 how-tos
Something, such as a book or learning situation, that provides practical advice and detailed instruction in an activity:
入門指導：提供關于某種活動之建議與詳細指導的東西，如一本書或培訓地點：
例句：
She read a how-to on plumbing. The weekend was a real how-to for would-be campers.
她讀了一本關于怎么安裝管道的書；這個周末對未來野營者們進行了真正的培訓