Does that mean it is goodbye to the new paper, and the smell of the black ink?

这是不是以后就不需要纸质课本了，闻不到墨水味了呢？

youdao

"This is goodbye, isn't it?" she said quietly.

“这就算告别了，不是吗？”她轻声地说道。

《柯林斯英汉双解大词典》

After all, love begins with mutual affections, but ends as long as one of the two has the willing to terminate it. So the best choice is to say goodbye with a blessing in heart to his departure.

毕竟，相爱要两个人一起开始，而分手，只要是其中一方有这个意愿，那是游戏规则已经挑破了，倒不如和他离去的背影说再见，送上一份祝福。

youdao

It is goodbye to a racing legend and we will all miss him.

BBC: SPORT | Other Sport | Horse Racing | Eddery bows out

"I think nothing of it, it is just away to say goodbye and sweep it all under the carpet, " said Betty Watkin-Hughes, whose family was forcibly moved from Capel Celyn.

BBC: NEWS | UK | Wales | The lake that stirred nationalism

"It is always sad to say goodbye to a good double act and especially to a long-running character like Robbie Jackson, so we will be leaving the door open for both characters, " she added.

BBC: Dean Gaffney as Robbie and Bindya Solanki as Nita