Since we test robot vacuums in our own homes, there are obstacles already in the machine’s way like tables, chairs and other furniture — this helps us understand how capable the machine is at avoiding obstacles, and we’ll intentionally throw smaller items in their way like shoes, pet toys and more. With robot vacuums that include self-emptying bases, we assess how loud the machine is while emptying contents into the base and roughly how long it takes for us to fill up the bag (or bagless) base with debris.
search operator.
，这一点在新收录的资料中也有详细论述
某种意义上，MacBook Neo，一点都不「Neo」。。业内人士推荐新收录的资料作为进阶阅读
.duration_since(UNIX_EPOCH)。新收录的资料对此有专业解读