vacancy tracer exchange

例句：

1. 1. The company is using a vacancy tracer to identify potential employees.
   该公司正在使用一个空缺追踪器来识别潜在的员工。
2. 2. The vacancy tracer exchange has been instrumental in helping companies fill their vacancies.
   空缺追踪交换在帮助公司填补空缺方面发挥了重要作用。
3. 3.The vacancy tracer exchange helps businesses connect with potential candidates quickly and efficiently.
   空缺追踪交换帮助企业快速而有效地与潜在候选人建立联系。