"Optimizing business English oral proficiency for cultural construction" 或 "Enhancing cultural development through the refinement of business English communication skills" 都是表达 "优化商务英语口语文化建设" 的规范性英语翻译。
"Optimizing business English oral proficiency for cultural construction" 强调了通过提升商务英语口语能力来促进文化建设的重要性。
"Enhancing cultural development through the refinement of business English communication skills" 则突出了通过提升商务英语交际技巧来加强文化发展的目的。