book ·phrase
Definition: a set of stamps, tickets, etc. that are sold together inside a cover Level: C2
她在邮局买了一本邮票用于收藏。
She purchased ___a ___book ___of ___stamps at the post office for her collection.
他在车里放了一本车票，以便通勤时方便取用。
He keeps ___a ___book ___of ___tickets in his car for easy access during commutes.
旅行社提供一本优惠券册子，用于折扣旅游和活动。
The travel agency offers ___a ___book ___of ___vouchers for discounted tours and activities.