# 淨化呼吸法跟掘火呼吸法一樣並不輕鬆,需要投入時間、專注力和意志力。核心方法就是四十多分鐘的強度呼吸,從一分鐘一百多次的急促呼吸到幾分鐘的慢呼吸,然後幾乎停止呼吸。之後再重來一遍。——《3.3秒的呼吸奧祕》
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