Xin Chao ca'c ba'c trong lang, Co' ba'c nao bie^'t ve^ "ru*o*.u dde^'" cu?a mie^n nam kho^ng ? Xin chi? gium to^i co^ng thu*'c dde^? na^'u ri.u dde^' ddi , to^i nghi? no' se~ giu'p it' cho ca'i presentation cu?a to^i, Special and unique so vo*'i presentation cu?a tu.i Me~o ... Ta.i sao ngu*o*i ta go.i no' la " ru*o*.u dde^' " ??? Ca'm o*n ca'c ba'c ra^'t nhie^u, Cheers, Da^n.