求翻译：员工应合理使用差旅费并在报销时提供公司要求的诸如差旅原因描述、行程描述、相应发票等差旅报销明细是什么意思？

Employees should use travel expense reimbursement and reasonable description of the cause of providing corporate requirements, such as when you travel, tour descriptions, the corresponding invoice isochromatic brigades claim line