希德里说：“我们在芝加哥开了一个班，由土木工程师教授他们建造桥梁的知识，在爱达荷州，有个班级请求科学家帮助他们建立一个可在教室内运转的河流三角洲”。
We have a class in Chicago asking for civil engineers to teach them how to build a bridge. In Idaho, a class is asking for a scientist to help them build a working river delta inside their classroom.
我刚到了西佛吉尼亚，一开始就感觉很有看头，有一座名叫惠尔林的小镇上有几座跨越河流的大桥，这些钢架桥梁看起来很有工业时代的味道。
West Virginia, where I have just been, looked interesting from the start, a town called Wheeling with some huge bridges over a river. It all looked very industrial age with steel bridges.
假设你正在建造一座桥梁，如果工程已经进行到一半，那么客户就决不会说：“天哪，我想这座桥要是建在河流的下一个弯口的话就更加实用了。”
If you are building a bridge that is half completed, the customer is not going to say, "Gee, I think the bridge would be more useful at the next bend in the river rather than over here."
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