知识能改变命运，学习可刷新人生。

Knowledge can change fate; learning can refresh life.

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在小部件头部加入一个图片链接，单击此链接可刷新内容区。

Put an image link into the widget header that refreshes the content area when clicked.

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此网页的安全验证已超时。单击以下链接可刷新页面，然后重试操作。

The security validation for this page has timed out. Click on the following link to refresh the page, and try the operation again.

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