The movie will be sold out before we can buy a

在我买票前电影票将被卖完.
本来是应该用the movie tickes will be ...但句子最后出现了“ticket”,为了不重复句子前面就省略了这个词.该句还可以用“The movie tickets will be sold out before we can buy one.”
英语中很多句子都这样的表达的哦