How to extend a visa if it expires?

签证到期后怎样延长签证？

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Listing 7 shows an example of how to extend a task command by adding a new step.

清单7显示了如何通过添加新的步骤扩展任务命令的示例。

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The simple code list of colors in Listing 1 illustrates how to extend a schema as new data choices emerge.

清单1中展示的简单的颜色代码列表演示了新数据选项出现时如何扩展一个模式。

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It seems like a logical extension of that formula to three assets and you can easily see how to extend it to four or more assets, it's just the logical extension of that.

这样就将前个公式推导为三个资产的情况,显而易见,你们可以将其运用到四个乃至更多资产的情况下，这只是对原始公式一个推导罢了。

耶鲁公开课 - 金融市场课程节选

When a metaphysician makes a choice how to extend a theory, you have to make a decision.

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In May last year we told readers how Philadelphia-based outsourcing giant Aramark was aiming to extend its outsourcing know-how in a big way overseas.

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The nearly complete focus of the subsequent Congressional energy and climate debate on the primacy of carbon pricing may have ultimately prevented meaningful debate on how to optimize and extend the critical, comprehensive clean energy investments begun under to stimulus and enact a long-term investment strategy to strengthen clean energy competitiveness.

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