底稿

例句：

1. 1. The artist made a few revisions to the final draft before presenting it to the client.
   艺术家在向客户展示最终草案之前，对初稿进行了几次修改。
2. 2. The writer started with a rough draft and then refined it for publication.
   作家首先写了一个粗糙的草稿，然后对其进行了修订以供出版。
3. 3. The engineer created several blueprints before selecting the best one for construction.
   工程师制作了几个蓝图，然后选择了最适合施工的最佳方案。