The simple rubber band has been around for over a century but it still has its USES - even in today's technology-centered world.

简单的橡皮筋已经存在超过一个世纪了，但是即使在当今这个以技术为中心的世界里，它仍然有它的用处。

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The project is centered on building the software technology to allow end-users and web sites to define the business rules and negotiate the terms of how they would be willing to interact with each other.

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