for 釋義：
prep.為,為了；因為；給；對于；至于；適合于
conj.因為
for是介詞或連接詞 一般是介詞 翻譯為：,為了；因為；給；對于；至于；適合于
例句：
The new drug has great significance for the treatment of the disease.
這種新藥對于這種病的治療有重大的意義。
For years we had little knowledge of what life was like inside China.
以往很多年我們對于中國國內的生活情況所知甚少。
It was a time of peak demand for the product.
那是對該產品需求最旺的時期。
There was much discussion about the reasons for the failure.
就失敗的原因進行了大量的討論。
We have a full order book for the coming year.
我們來年的訂貨簿已經記滿了。