He can find faults with the goods even if he is quite satisfied with them, he must still pretend to be unsatisfied with them, so that he can successfully make the price decine to its minimum. 他可以挑剔商品的毛病,尽管他对商品非常满意,他还是必须假装对它们不太满意,这样他能成功地使价格降到最低点。
Electrodialysis pretreatment could significantly enhance the nanofiltration permeate flux and decreased the flux decine, which improved the nanofiltration separation of glyphosate liquor. 电渗析预处理能有效提高母液的纳滤膜通量,且通量衰减较慢,有利于草甘膦的纳滤分离提浓。