prefix = os.path.commonprefix([abs_directory, abs_target])
What's special about the Shark UV Reveal?It's in the name: The Shark UV Reveal uses a UV light to detect stains on the floor that we wouldn't see with a casual glance down. That could be anything from those super-faint water stains on the bathroom floor, to sticky residue from a kitchen spill you thought you wiped up, to invisible droplets of dried pet pee. If there were ever a robot vacuum for Dexter Morgan, it would be this one.
，这一点在搜狗输入法下载中也有详细论述
President Donald Trump has signalled that the US strikes on Iran could last four to five weeks but could "go far longer".
第二百四十四条 保险金额由保险人与被保险人约定。保险金额不得超过保险价值；超过保险价值的，超过部分无效。