Thee little boy needs a blue pen.

小男孩需要一支蓝色的钢笔。

youdao

Show me a blue pen.

向我出示一只蓝色钢笔。

youdao

It's a blue pen.

这是一支蓝色的钢笔。

youdao

Once upon a time not too long ago, document signage involved downloading the document, printing it off, picking up a pen with either black or blue ink and signing off at the appropriate places, scanning the document once signed, uploading it, attaching the paperwork to an email, and then finally sending off that email back in reply with your signature.

FORBES: Signed, Sealed, Delivered: How HelloSign Is Changing Electronic Document Signatures