（作者为习近平文化思想研究中心重庆市协同研究基地特约研究员）
These AI cleaning features get more nitty gritty than iRobot's old, basic Dirt Detect feature that "works harder" on dirtier areas, and even an automatic suction boost feature when a robot vacuum senses carpet. Narwal's Intelligent Dirt Detection tech monitors the floor with infrared, acoustic, optical, and pressure sensors to scan the floor to distinguish between dry and liquid spills and different types of debris (down to the particle size). Dyson's newest robot vacuum, the Spot+Scrub Ai, takes before and after photos of detected spills to ensure that the stain has been sufficiently scrubbed away.
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这种定位通过纪录片创作得以深化。剪辑陷入瓶颈时，他的导师提供了颠覆性的建议：关掉所有画面，只聆听采访录音，两个月内不看影像。这对习惯于视觉思维的创作者而言，无异于一次“信仰的飞跃”。他照做了，两个月里，他只面对亲人们的声音。那些用粤语、英语讲述的，充满情感风暴、时常跳跃、夹杂着痛苦与怨愤的叙述，动荡时期的恐惧、逃亡路上的艰辛、家庭内部的委屈，所有这些情绪，剥离了画面的修饰，以最直接的声音形式冲击着他。