Strictly speaking, his invention is not so much self-erasing ink as self-erasing paper.

严格来说，Grzybowski博士的发明与其说是可以隐形的墨水，不如说是自动清除字迹的纸张。

youdao

Strictly speaking, his invention is not so much self-erasing ink as self-erasing paper.

严格来说，Grzybowski博士的发明与其说是可以隐形的墨水，不如说是自动清除字迹的纸张。

youdao