龙虎的技巧简介：To give an example of cross-fertilization, if Fujiang is the light, then Weiyang is the shadow, Fujiang is the green leaves on the branches, then Weiyang is the root buried deep in the ground that provides nutrients to Fujiang.
To give an example of cross-fertilization, if Fujiang is the light, then Weiyang is the shadow, Fujiang is the green leaves on the branches, then Weiyang is the root buried deep in the ground that provides nutrients to Fujiang.
