Building base: divided into two parts, two parts are:

The "middle" between "God" and "Shape" is "qi". The principle of "God" is adjusted: the joys, sorrows and sorrows are not mentioned, and the sum of the knots is called the sum; God is the nature, and the neutrality leads to the neutrality. The principle of "shape" is adjusted: one pass is all-passed; Where to go? Go down and pass to the underground and the gas phase. Shaped, gas naturally passed!