Information must be stored so that it is secure from accidental deletion.
必須把資料保存起來，這樣才不至于無意中刪除。
At least 10 000 children are involved in accidental poisonings every year.
每年至少有1萬名兒童意外中毒。
I didn't think our meeting was accidental ─ he must have known I would be there.
我認為我們相遇不是偶然的——他肯定知道我要去那里。
We insure against all damage, accidental or otherwise.
我們的保險包括一切意外或其他損失。
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意無意間，他的手輕輕拂過她的手。