B:ZIG(3,50/5)*100,colorwhite; G:MA(B,2),coloryellow; D:=CROSS(B,G)*1000,colorred; W:=CROSS(G,B)*1000,colorblue; DRAWTEXT(W=1000,B*1.05,'卖' ),colorgreen; DRAWTEXT(D=1000,B*1.05,'买'),colorred;