如下图所示，选择删除选项，然后点击下一步按钮。

Select Remove option as shown below and click the Next button.

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点击下一步然后点击完成。

Click Next and then Finish.

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一旦你选中了书，在“验证点和动作”向导中点击“Perform Data Verification Point”单选按钮，和前面的步骤三是相同的，然后点击下一步。

Once you've selected the book, click the Perform Data Verification Point radio button in the Verification Point and Action Wizard just as in step three above and click Next.

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