hoja blanca

例句：

1. 1.The artist drew a blank on the paper.
   艺术家在纸上画不出东西。
2. 2. She left a blank space in her diary for later notes.
   她在日记本上留了一个空白，以便以后记笔记。
3. 3. The book has several blank chapters at the beginning.
   这本书的开头有几个空白章节。