做到实事求是，离不开调查研究这个基本功。
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.
，这一点在一键获取谷歌浏览器下载中也有详细论述
Полина Кислицына (Редактор)
I test robot vacuums for a living, and I really don't want to have to be paranoid about their camera usage. The livestream camera is an incredibly comforting robot vacuum feature for pet parents who get anxious about leaving pets at home alone.