例句:Public finance relates to the tax and welfare system that we have.
公共财政学涉及，税收和我们的福利体系。
2.shut down 关闭；停工
例句:Smaller contractors had been forced to shut down.
规模较小的承包商已被迫歇业。
3.shortly after 不久之后；很快
例句:Shortly after moving into her apartment, she found a job.
搬进公寓不久，她就找到了份工作。
4.back away 撤退；后退
例句:He's backing away from the policies and style of his predecessor.
他正脱离其前任的政策和风格。
