it were not for的用法和樣例：
例句
- If it were not for friction, you could not walk.
要不是由於摩擦，你就不能行走。 - I do not know what I shall do without your help.
要不是您的幫助，我真不知道該怎麼辦。 - If it were not for the rock, we would have drowned.
如果沒有那塊岩石，我們就被淹死了。 - I can't read it without a dictionary.
如果沒有詞典，我不能讀它。 - They were refused entrance to the theater.
他們被拒於戲院大門之外。 - Other than the preface, it consists of four parts.
除引言之外，全文由四部分構成。
