美国九月就业报告出炉：结果与预期相差甚远

The cost of living has increased dramatically.

生活费用已大幅增长了。

2.opt out of 决定（从...）退出

The rich can opt out of the public school system.

有钱人可以选择退出公立学校体系。

3.concern 担心，忧虑

There is growing concern about violence on television.

人们对电视上充斥暴力内容的忧虑日益加重。

4.contagious 接触传染的

Scarlet fever is highly contagious.

猩红热的接触传染性很强

5.unemployment 失业；失业人数

The state's unemployment rate rose slightly to 7.1 percent last month.

该国的失业率上个月略微上升到7.1%。