以防;以防萬一;如果;假如
牛津電影裡 70%
以防;以防萬一
because of the possibility of sth happening
編輯釋義電影裡 30%
如果;假如
if; in the event that (a condition, not a precaution taken beforehand)
釋義來自《牛津高階英漢雙解詞典》第 9 版