劍橋詞典When an event or situation has a knock-on effect , it causes other events or situations , but not directly . 連鎖反應(yīng) If one or two trains run late, it has a knock-on effect on the entire rail service . 如果有一兩列火車晚點(diǎn)，會進(jìn)而影響整個鉄路系統(tǒng)。 返回 knock-on effect