确保节文件中只有空白行分隔屏幕定义。

Make sure that only blank lines in the stanza file separate the screen definitions.

youdao

屏幕定义由空白行分隔。

The screen definitions are separated by blank lines.

youdao

单击，以将光标置于空白行的开头。

Click to place your cursor at the start of this blank line.

youdao

As far as I know -- I know of no exception, although someone may well be able to produce one no original poem in English had ever been published with line numbers in the margin in its very first printing.

就我所知，无一例外，尽管有些人能很好的制作出摹本,但英语原版诗歌从不在首次印刷的时候,把行数印在页边空白处。

耶鲁公开课 - 弥尔顿课程节选