We've run short of milk.

我们牛奶不够了。

But money is starting to run short.

但是钱开始逐渐减少。

Ok, otherwise, we'll run short of time.

好，否则我们将不够时间了。

Yet it run short of systemic study and attention.

但是还缺乏系统的研究，对它的关注还很不够。

I am sorry we have run short loose leaf notebook.

对不起，活页簿已售完了。