touring guide是旅游指南,题目是“写旅游指南”,不可能写“导游”
tour (tourist) guide 意思是导游（人）
The CEN (European Committee for Standardization) definition for "tourist guide" is:
Tourist guide = person who guides visitors in the language of their choice and interprets the cultural and natural heritage of an area,which person normally possesses an area-specific qualification usually issued and/or recognized by the appropriate authority
可见tour（ist） guide一般情况下就是解释“导游”,这是权威机构的解释.
A Touring Guide to over 100 of the Best Gardens
100多个最好园林的旅游指南.
可见touring guide一般情况下解释“旅游指南”