列表3显示了一个声明自定义扩展的例子。

Listing 3 shows an example that declares the custom extension.

youdao

在您完成定义扩展之后，您就需要执行这三个类了。

After you have defined your extension, you need to implement these three classes.

youdao

可以灵活地为事件、产品和位置模式定义扩展属性。

A flexible mechanism to define attribute extensions to the event, product, and location schemas.

youdao

But we've expanded the list of goods so it includes external goods and not only experiential or internal goods.

但是我们扩展了美好事物的定义,所以它包括物质方面的美好事物,而不仅是经验和内心方面的美好感受。

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We've expanded our list of goods so that-- Nobody's going to deny that among the goods of life are pleasure and other positive experiences.

我们扩展了美好事物的定义-,所以没有人会否认,美好事物包含愉快和积极的体验。

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We've expanded the list of goods that can go within your life, but for all that, we've still been acting as though the neutral container theory is the right approach.

我们扩展了生活中美好事物的定义，但除此之外，我们的观点仍然是基于,中性容器理论是正确的理论。

耶鲁公开课 - 死亡课程节选