The simpler things in the currency circle are, the more effective they are. All the formulas are the crystallization of wisdom. Buy horizontally, buy pits, not vertically. The selling point is at the boiling point; continuous small rises are real rises, and continuous large rises should be exited; large surges should be stepped back, and deep pits should not be dug; the main rise should reach the top, and sharp falls should be sold quickly, and slow rises should be sold slowly; sharp falls without volume are intimidation, and slow falls with large volume should be withdrawn quickly: when the price breaks through the lifeline, do not hesitate to do the swing; look carefully at the daily and monthly lines, and follow the main force to build the position; and when the price goes up without volume, the main force lures more, so don't stand guard; a new low with shrinking volume is a bottom image, and incremental rebounds should be entered:.