Since we are likely to place sizable orders regularly we hope that you will make some special concessions.
由于我方将定期大批量订购,希望贵方作出一些特殊的让步。
It is said that the nerve poison is the more primitive of the two, that the blood poison is, so to speak, a newer product from an improved formula.
据说,神经毒液在两种毒液中是较为原始的一种,而溶血性毒液,打个比方说,是根据改良配方生产的一种较新的产品。