You should now have a working copy of Avira Antivirus Premium.

你现在应该有一个防病毒的查杀溢价的工作副本。

If you have not save the working copy of the file , you will be in much despair.

如果您还没有保存的工作文件的副本，您将在很大的绝望。

Occasionally you may want changes done by others to get incorporated in your local working copy.

有时候你可能需要把别人的修改合并到你的本地拷贝当中来。