这个回答并不能让人满意。这个抽象类和接口究竟有什么区别？什么事你用接口能做而用这个抽象类不能做？

That's not a very satisfying answer. How does it differ from an interface? What can you do with an interface that you cannot do with that class?

youdao

项目管理人员可以控制这个版式，从而用来保存文档和激活项目的扩展编辑功能。

Project administrators can control the format for saving documents and enable the extended editing function for the project.

youdao

据说加拿大杀海豹就是出于这个目的，而用海豹皮制革只是附带的。

The killing of the Canadian seals is claimed to be for this purpose, and the use of their skins for furs is only a by-product.

youdao

For this sprite only, means local, only this function, only this script can use this variable, make this variable for all sprites, meant it was global.

对于只为一种精灵，意思是局部的，只有这个函数中，这个脚本中才可以用这个变量，这个变量为全部精灵而创建，意思是这个变量是全局的。

哈佛公开课 - 计算机科学课程节选

I don't know a word of Russian, and so I actually try to avoid using the rather well-known Russian equivalents for these terms because I feel like an idiot.

我不懂俄语，所以我不用俄语读,而就用这个英语中通行的俄语替代词,这样感觉是不是挺傻的。

耶鲁公开课 - 文学理论导论课程节选

It's an opportunity to deal with those perhaps in a more constructive way, than letting the feeling spiral.

也许可以借这个机会用更有建设性,的方法应对，而不是使负面情绪恶化。

普林斯顿公开课 - 人性课程节选