按照写简历的标准，把下面两句话译为英文“负责备用供应商的开发及原供应商的优化(价格、账期、交期、质量)； 对上级分配的任务必须高效执行并及时反馈结果、提供有效的解决方案；”

Responsible for developing backup suppliers and optimizing existing suppliers (price, payment terms, delivery time, and quality). Efficiently execute tasks assigned by superiors, promptly provide feedback on results, and offer effective solutions.