@atypicalguy @linseymarr This is a good point about lower speed settings (which people use for lower noise). On high speed most cleaners blow enough to circulate room and but less clear on low.
@这是一个关于低速设置的好观点（人们使用它来降低噪音）。在高速时，大多数清洁器的风量足以使房间流通，但在低速时，清洁度较低。