margin of profit英 [ˈmɑːdʒɪn ɒv ˈprɒfɪt]美 [ˈmɑːrdʒɪn əv ˈprɑːfɪt]利润;利润率,边际利润,余利经济英英释义nounthe ratio gross profits divided by net salesSynonym:profit margingross margin双语例句