Footnotes have been appended to the document.

　　該文件附加了腳注。

　　She faked her mother's signature on the document.

　　她偽造了她母親在文件上的簽字。

　　You should study this document with the utmost care.

　　你們對這個(gè)文件的研究應(yīng)該慎之又慎。