| 摘要 |
A book mark is provided for marking a selected line, column, and page of a book. The book mark includes a flat elongated member, first and second page indicators, a line marker, and a column indicator. The flat elongated member has a first end, a second end spaced apart from the first end, and a middle region situated between the first and second ends. Each of the first and second page indicators includes an indicia positioned on the flat elongated member. The line marker marks the selected line, is fixed relative to and spaced apart from the first and second page indicators, and is situated in the middle region of the flat elongated member. The column indicator indicates a specific column in a book having dual column pages.
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