Vacantness
空白, 空虚（vacant的名词形式）
🗣️ 情景例句
Dr. Lee's office.
李医生诊所。
Parents usually put a small red paper packet under their child's pillow.
父母常常会在孩子枕头下放一个小红包。
Dimitri at once set out to find the thief.
他马上出去找偷羔羊的人。