If you don't know what that core task is, then be prepared to spend a lot of time staring at a blank screen, confused and wondering what to do next.

如果不知道核心任务是什么，那么就等着浪费大量时间开始一个空白屏幕，然后迷惑不解地想知道接下来要做什么吧。

youdao

The default header includes the filename and file creation date and time, along with a page number and two lines of blank footer.

默认的头部（header）包含文件名和文件创建日期和时间，以及一个页号和两行空白页脚。

youdao

To reduce the cost and lead time of developing a trimming die, a method to obtain the trimming line in flange process is proposed on the basis of blank grid deformation.

为减少修边模的开发周期和成本，提出一种基于板料网格变形的修边线确定方法。

youdao

We had hardcopy e-mails and printouts from the intervening time, but the back-ups were virginally blank of the last business week and a day.

FORBES: The Future