Figure 1 shows a class diagram of the Email object and the Sendable interface.
图1显示了Email对象和Sendable接口的类图。
Using fundamental object-oriented design principles, the architecture team may decide to update the Sendable interface to extend the vendor's Validatable interface.
运用基本的面向对象设计原理，体系结构团队决定修改Sendable接口来扩展供应商的Validatable接口。
The architecture team worked hard to abstract the communication implementations with the Sendable interface; however, the team's first attempt seemingly ignored this interface.
体系结构团队想方设法使用Sendable接口来抽象通讯实现；然而，他们的第一次尝试就好像忽略了这个接口。
Taking the lessons learned with static crosscutting the Email object, the team further refines its strategy by moving the contractual behavior up the hierarchy into the Sendable base interface.
从静态横切民email对象中吸取教训之后，他们通过把契约行为在对象层次中提升到sendable基接口，从而进一步精炼了其策略。
Taking the lessons learned with static crosscutting the Email object, the team further refines its strategy by moving the contractual behavior up the hierarchy into the Sendable base interface.
从静态横切民email对象中吸取教训之后，他们通过把契约行为在对象层次中提升到sendable基接口，从而进一步精炼了其策略。
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