No two operating systems look or act perfectly identical, but they have strong similarities.

没有两个操作系统的外观或行为完全一致，但他们有强烈的相似之处。

youdao

No two operating systems look or act perfectly identical, but they have strong similarities.

没有两个操作系统的外观或行为完全一致，但他们有强烈的相似之处。

youdao