opt out片語動詞KK [ɑpt aʊt] /ɑpt aʊt/發音片語動詞1選擇不參加、退出Several countries chose to opt out of the agreement.有幾個國家選擇不加入這項協議。2退訂、取消訂閱You can opt out of these emails at any time.你隨時都可以取消訂閱這些郵件。3逃避、不承擔Parents cannot simply opt out of their responsibilities.父母不能就這樣逃避自己的責任。名詞1退出選項、退出條款The contract includes an opt-out after the first year.合約中附有一年後可退出的條款。形容詞1須主動退出的、預設參加的The country runs an opt-out system for organ donation.該國的器官捐贈採預設同意、須主動退出的制度。