American inventiveness, not satisfied with giving the world the automobile, the airplane, colour televi-sion, and the cellular telephone, has tackled less obvious needs.

• 美国人并不满足于只用他们的创造力为世界制造汽车、飞机、彩电和移动电话，在一些不太明显的需求方面，他们也会发挥其创造力。