The administration wants to reduce factors that are prompting people to leave their countries, so-called push factors.

政府希望减少促使人们离开他们国家的因素，即所谓的推动因素。

Migrant flows from Africa are set to be quite a long-term phenomenon, given all the push factors like population growth and climate change there.

来自非洲的移民流动将成为一个相当长期的现象，考虑到那里的人口增长和气候变化等所有推动因素。

We should be working -- AM: I was going to ask what you would recommend United States government does to address the underlying, what we call push factors, or root causes in those three countries in Central America?

我们应该努力—— AM：我想问一下，你会建议美国政府做些什么来解决中美洲这三个国家的潜在原因，我们称之为推动因素或根本原因？