The objects in the exhibit tell a story about government expansion during a difficult period in American history.

VOA: special.2009.01.02

Internet industry was in a very difficult time at that time, at that period, and we gradually realized that this company cannot really survive if we stick with the backend technology providers thing.

当时互联网行业正处于困境，如果坚持做后台搜索技术提供商,这个公司将无法生存。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Now,that has changed, for sure; but,the centralization of the French government and the domination of Paris over the life of the nation is very difficult to change, over a long period of time.

现在,情况已经发生了改变,但是法国政府的中央集权化,以及巴黎在国民生活中的支配地位,在相当时间段内,都很难得以改变

耶鲁公开课 - 1871年后的法国课程节选

Miller examined this difficult period in American history by setting his play at another difficult time.

VOA: special.2009.11.29

He published several books during this difficult period of his life.

VOA: special.2009.06.14

"Many mothers deliver at home in sub-Saharan Africa and it's very difficult for them to get to a hospital or clinic which may be miles away in that time period.

VOA: special.2010.05.24

And people who are giving have endured this very difficult 12 month period and so giving is down,"

VOA: standard.2009.12.16