龙虾时刻也许也是这样。它未必是一个技术里程碑，但它可能是一个历史信号。
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Now, you can get an autonomous dirt-sucker with serious cleaning chops for $500 — sometimes even $300 or less. But you get what you pay for in this space; don’t expect affordable robot vacuum cleaners to have all of the bells and whistles that premium machines do, like self-emptying capabilities or advanced dirt detection. After testing dozens of robot vacuums at various price points, I’ve narrowed down our top picks for the best budget robot vacuums you can buy right now.
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Now that my goals are clear, I will show you how I approached achieving them.