unbillable編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看unbillableunbillable — 形容詞形容詞1. Not able to be charged to a client or customer.1.形容詞釋義不可收費的Not able to be charged to a client or customer.例句The time spent on internal meetings is unbillable.