commercial opportunity system和E-commerce systematic system 这两个词组怎么翻译,谢谢!刚刚开始实习,工作上的英语问题有很多,希望大家帮帮忙.

commercial commercial是什么意思? commercial是什么意思 commercial viability commercial advocacy commercial proposal television commercial commercial enterprises commercial license和commercial register的区别 翻译commercial spot cleaner Commercial Launch of Business commercial和business区别 corporate&commercial banking commercial manager是什么意思 COMMERCIAL INVOICE是什么意思? commercial flights是什么意思 commercial directed 怎么翻译? commercial manager是什么意思