21127—your writing should focus on topic of business and science.想问：1—focus on：怎
21127—your writing should focus on topic of business and science.
想问：
1—focus on：怎么翻译
your writing should focus on topic of business and science：
focus on：1.致力于2.对(某事或做某事)予以注意3.把…作为兴趣中心4.使聚焦于; 使直射于;(使)集中于 这里还是：集中于
翻译：你的论文应该集中于商业和科学话题