Lack of quality sleep is a critical factor leading to the onset of fatigue.
Lack of quality sleep is a critical factor leading to the onset of fatigue.
缺乏有质量的睡眠，是导致引发疲劳的一个至关重要的因素。
Lack of quality sleep is a critical factor leading to the onset of fatigue.
缺乏有质量的睡眠，是导致引发疲劳的一个至关重要的因素。