它可以将任意网页转换为一个虚拟白板，您可以在上面涂涂写写画画的。

It instantly turns any web page into a virtual whiteboard where you can add text, draw shapes, arrows or even do some freehand drawings. Here's a quick demo.

他说富人们表现得更心不在焉，不时查看一下手机、写写画画，避免眼神交流。

He said rich people appeared more distracted, checking mobile phones, doodling and avoiding eye contact.

这意味着即使手机在衣兜里人们也可以直接拒接来电，或者直接在手上写写画画便可发送一条短信。

It means people can decline a call with the phone still in their pocket or send a text while simply drawing on their hand.

科斯长年叱责他的经济学家同僚们，不实际调查研究经济活动的运营原理，而将时间浪费于在黑板上写写画画。

He has long chided his fellow economists for scrawling hieroglyphics on blackboards rather than looking at what it actually takes to run a business.

他用蜡笔画画。

He draws a picture with his crayons.