a useful book or document that you can check regularly for information about something

These volumes became the vade mecum for modern British historians and political scientists. 这几卷书成为当代英国历史学家和政治学家的工具书。

The Constance Spry Cookery Book was an indispensable kitchen vade mecum, a bestseller for about 20 years. 《康斯坦斯·斯普利烹饪书》是一本不可或缺的厨房工具书，畅销了大约20年。