短语讲解：

1. They also debate whether the foreign aid budget is divided up in a smart and fair way.

divide up 分割
例句：We will divide up the money between the partners.
我们将分割股东的钱。

2. “The 1 percent of our budget we spend on all diplomacy and development is not what is driving our deficit,” Clinton said.

spend on 把…花在…
例句：How many hours per week do you want to spend on this work?
你每个星期想花多少时间在这个工作上？

3. “I would help them economically, even though we owe $19 trillion,” Trump said, referring to the current U.S. deficit.

refer to 参考; 指的是; 涉及
例句：He never referred to his sisters in his letters.
他在信里从未提到过他的姊妹。