First, read a chapter with one pen in your hand and others next to you on the desk.

首先，读一个章节的时候手里拿一支笔，其他的放在你旁边的桌上。

youdao

Look! One pen. I'm ready for school.

看！我有一支笔。我已经准备好去上学了。

youdao

Birth certificate. Death certificate. One pen.

出生证明，死亡证明，都是这支笔。

youdao

One thing is never grade in red pen.

第一件事是千万别用红笔打分。

耶鲁公开课 - 心理学导论课程节选

There's one last pen-optimized feature that sidesteps the need for either of those two apps: the ability to write notes on any screen.

ENGADGET: LG Optimus Vu review: a 5-inch, pen-enabled phone to take on the Galaxy Note

The company says it will sell its one millionth digital pen this year.

FORBES: Connect

Winston Churchill, Britain's leader during Word War II, looking back to his days as an imperial policy-maker, used to say he created Jordan with a stroke of the pen one Sunday afternoon.

BBC: Analysis: Jordan's precarious position