例句:They visited some factories, hospitals as well as the school.
他们参观了这所学校，还参观了工厂和医院。 

2.out of work 失业

例句:He was out of work when the factory closed.
他在工厂倒闭后失业了。

3.roll out 铺开；推出

例句:We'll give her some VIP treatment and roll out the red carpet.
我们将给予她贵宾级礼遇，并且为她铺设红地毯。

4.a great deal of 大量的

例句:The police gained a great deal of useful information about the organization.
警方收集到了大量关于该组织的有用信息。