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 load a header with a blank page, then load your new page, increasing the time it takes for a user to get to the actual page they want to go to –So

你的网站都会加载空白的页面的头，然后再加载新的一页，用户为了获得需要的页面花费越来越多的时间，所以要不惜一切代价避免这种情况。

youdao

Perhaps you draw a blank every time you introduce a new colleague to co-workers.

FORBES: 6 Easy Ways To Remember Someone's Name

Evans then denied Tong an equaliser with a point-blank save in added time.

BBC: Davidson double gives Boston win

Osteen watched, silent and blank-faced the entire time, taking notes.

NEWYORKER: Personal Best