be a blank的用法和樣例：
例句
- The situation put us at a serious disadvantage.
形勢使我們處于非常不利的地位。 - He found himself in a sad pickle.
他發現自己已處于困境。 - Nowadays the legislation about this aspect has been still blank in China, and should be drafted as soon as possible.
目前在我國關于這方面的稅收立法還處于空白狀態，應該盡快加以完善。 - I can't think of a time when we lost this badly.
我實在想不起來我們什么時候把這個東西弄丟的。 - It doesn't ring a bell in my mind.
我想不起來了。
