a young person who is spending a year working or travelling after leaving school and before going to university 空缺年休假者(中学毕业后到上大学前用一年时间实习或旅游) Most of the volunteers are gappers. 大多数志愿者都是目瞪口呆的。 Gappers are reminded that they need travel insurance. 人们被提醒他们需要旅游保险。