正是这些非对称性优势的存在，使得学堂短时期内声名鹊起，成为当时其它学堂争相效仿的一面旗帜。
Just because of the existence of this asymmetrical advantages, the school earned a good reputation in a short time, became a model for other schools.
李嘉图模型的一维特征，掩盖了比较优势的非对称性。
The one-dimensional characteristics of Ricardo's model covers up the non-symmetry of comparative advantage.
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