be a blank的用法和樣例：
例句
- The situation put us at a serious disadvantage.
形勢使我們處於非常不利的地位。 - He found himself in a sad pickle.
他發現自己已處於困境。 - Nowadays the legislation about this aspect has been still blank in China, and should be drafted as soon as possible.
目前在我國關於這方面的稅收立法還處於空白狀態，應該儘快加以完善。 - I can't think of a time when we lost this badly.
我實在想不起來我們什麼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。
