1.relates to 涉及到

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。