to say nothing of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to say nothing ofto say nothing of — 介系詞介系詞1. used to introduce an additional fact that makes the previous statement even more1.介系詞釋義更不用說used to introduce an additional fact that makes the previous statement even more striking例句He can barely afford rent, to say nothing of a car.