---

operating ratio based upon revenues

英 [ˈɒpəreɪtɪŋ ˈreɪʃiəʊ beɪst əˈpɒn ˈrɛvɪnjuːz] 美 [ˈɑːpəreɪtɪŋ ˈreɪʃioʊ beɪst əˈpɑːn ˈrɛvəˌnuz]

按收入额计算的营业费用率

经济

---

---