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1·Users often have a good perspective on the legacy system.

用户经常对遗留系统有很好的观察。

2·This tightly couples the legacy system with every consumer of the data.

这让数据的每个消费者都和遗留系统发生了紧耦合。

3·Hopefully, if the legacy system is a good one, most of your tests will pass.

如果遗留系统是一个好的系统，您的大多数测试还是很有希望通过的。

4·Second, the use cases help us build a hypothetical architecture of the legacy system.

第二，用例帮助我们构建遗留系统的假设架构。

5·But what if you have a legacy system that was not designed with patterns like adapters?

但如果你有一个传统的系统，但是它不是使用像适配器这样的模式设计的。

6·Such an approach provides a viable option for a phased sunsetting of the legacy system.

此方法提供了用于逐步淘汰遗留系统的可行选择。

7·Many portlets need to call a third-party service such as a Web service or other legacy system.

很多portlet需要调用第三方服务，例如Web服务或以前的系统。

8·It's a lot cheaper to develop Web services than to redesign a legacy system into modularized parts.

与将传统系统重新设计成模块化组件相比，开发Web服务的代价更低。

9·When building a service, developers commonly reuse patterns, components, or legacy system artifacts.

当构建一项服务时，开发者通常重用模式，组件，或者遗留下来的系统工件。

10·In so doing, the two airlines put in mothballs two legacy system they have used for the last four decades.

这意味着，两家航空公司放弃了他们沿用了四十年的旧系统。