We should buy a good guide book and study it before our trip to Vancouver.
我们去温哥华旅行之前，应该买一本好的旅游指南学习一下。
Course, buying a good book to guide you through this doesn't hurt ;
不过，你买一本好书来越过这个坎，也未尝不可。
This book is a good guide to English studies.
这本书对英语学习有很好的指导作用。
This book is a good guide to English studies.
这本书对英语学习有很好的指导作用。
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