在这个例子中，A扩展了b；但是，即使A用其他方式引用B，也会出现同样的问题——例如，以方法参数引用或作为实例字段。
In this example, a extends B; however, the same error would still occur if a referenced B in any other way — as a method parameter, for example, or as an instance field.
另外一个例子可能以一个Web站点(例如cnn之类的新闻站点)作为输入，并在新闻中通过照片匹配而将照片中的内容以文字的形式呈现出来。
Yet another example might take as input a Web site (such as a news site like CNN) and render the text in photos by matching tagged photos to words from the news.
个体被残忍对待作为其他人的例子，例如南非黑人被其他黑人套在脖子上的燃烧的轮胎。
Individuals savaged as examples to others, such as the flaming tires placed around the necks of blacks in South Africa by other blacks.
个体被残忍对待作为其他人的例子，例如南非黑人被其他黑人套在脖子上的燃烧的轮胎。
Individuals savaged as examples to others, such as the flaming tires placed around the necks of blacks in South Africa by other blacks.
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