draft mark

例句：

1. 1. The artist drew a sketch of the building before making any final decisions.
   这位艺术家在做出任何最终决定之前，先画了一幅建筑的草图。
2. 2.The company's latest product is a sleek and modern draft mark that will appeal to tech-savvy consumers.
   该公司的最新产品是一款时尚且现代的草图标记，将吸引科技爱好者。
3. 3.The architect used a draft mark to indicate where the new floor would be installed.
   建筑师使用一个草图标记来指示新地板将被安装的位置。