It is worth noting, too, that humans often follow a less rigorous process compared to the clean room rules detailed in this blog post, that is: humans often download the code of different implementations related to what they are trying to accomplish, read them carefully, then try to avoid copying stuff verbatim but often times they take strong inspiration. This is a process that I find perfectly acceptable, but it is important to take in mind what happens in the reality of code written by humans. After all, information technology evolved so fast even thanks to this massive cross pollination effect.
[2]《刘强东投资50亿，要在广东造游艇》时代财经
。91视频是该领域的重要参考
His mother, Blanche, worked all hours, struggling to keep food on the table. University was well beyond their financial reach.
Израиль нанес удар по Ирану09:28
Tens of millions watched on television as Lovell and two other astronauts splashed back down into the Pacific Ocean, a moment which has become one of the most iconic in the history of space travel.