non-billable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non-billablenon-billable — 形容詞形容詞1. Not chargeable to a client or customer.1.形容詞釋義不可收費的Not chargeable to a client or customer.例句The time spent on internal meetings is non-billable.