var opt0 = ["一级分类|0", "二级分类|0", "三级分类|0"];
var dsy = new Dsy();
dsy.add("0", ["外语语言|1","出国留学|9"]);
dsy.add("0_0", ["雅思托福|19","口语口译|20","四六级|24"]);
dsy.add("0_0_0", ["雅思|101","托福|102","SAT|103","GRE|104","GMAT|105"]);
dsy.add("0_0_1", ["口语|108"]);
dsy.add("0_0_2", ["无子分类|0"]);
dsy.add("0_1", ["国际高中|201"]);
dsy.add("0_1_0", ["美国|241"]);