“扩展范围”常见的英文表达有 “extend the scope” 或 “expand the scope”。
extend the scope:强调在现有基础上将范围向外或向更广领域延伸、拓展。例如:We plan to extend the scope of our research to include more countries.(我们计划将研究范围扩展到更多国家。)
expand the scope:侧重于范围的扩大、扩充,使其涵盖更多内容或领域。例如:The company is looking to expand the scope of its business operations.(公司正寻求扩大其业务运营的范围 。)