Thus, they opposed laissez-faire economic theory, which calls for selling at the highest possible price and buying at the lowest possible price.
Thus, they opposed laissez-faire economic theory, which calls for selling at the highest possible price and buying at the lowest possible price.
因此，他们反对自由放任主义的经济理论，也就是以最低价买进货品，以最高价卖出的理论。