这个慈善晚会的宾客名单来自最新的蓝皮书。

The guest list for this charity gala came from the latest ___Blue Book.

卖二手车前，我查了蓝皮书的估价。

Before selling my used car, I checked its value in the ___Blue Book.

考试前教授提醒我们要带蓝色答题本。

The professor reminded us to bring ___blue-books for the exam.