3. What is different from what was mentioned in class?
A、'The Wet-Dry Ratio' is closely related to 'Texture'. 
B、As in 'the Wet-Dry Ratio', 'Yin Energy' is when the skin is moist.
C、As in 'the Wet-Dry Ratio', 'Yang Energy' is the case where it is fragile and stimulating instinct to protect.
D、'The Wet-Dry Ratio' is 'the 5thLaw of Yin-Yang Mode'.