Jobs differ by post,not social standing.翻译?

Jobs differ by post,not social standing.翻译? 请问 Jobs differ by post,not social standing.其中的by是什么意思, two numbers add tigether to give 14 and differ by 4中文意思 Post post differ form Blogs ___every one of us to post our own views of opinion to the Inernet.用significant,differ,traditional,expert,update,enable,common,shock,ban,conversation其中之一 1.Two numbers differ by 57.Their sum is 185.Find the numbers.Choices for the smaller number:54 着句话怎么翻译?Whereas If each term of a progression differ from its preceding term by a constant 数学英语翻译 For how many positive intergers n does 根号n differ from 根号10 by less than 解这道英文数学题目find the consecutive number whose cubes（i）differ by 37 (ii)add up to 35 How do perfect competition and monopoly differ in terms of economic efficiency?i need the answer by English 填空 it _________________ (take) to the nearest post office. In the post office, all the letters ___it _________________ (take) to the nearest post office. In the post office, all the letters _________________ (sort) by hundreds of post office work Some jobs have ___ names when they are done by men and women. many college students are s___ to get good jobs by thrie parents. 求这句话的意思 Students sometimes support themselves by means of part-time jobs. He makes some ( )by doing part-time jobs during his vacationsfun food time money 选哪个 they take their jobs s_____ and are praised by their boss.