Chūchāi de fèiyòng xiān yóu yuángōng diànfù, huílái bàoxiāo.
Business trip expenses are first advanced by the employee and reimbursed on return.
Tips
usage
垫付 always implies reimbursement is expected - it's a loan, not a gift. For a genuine handout use 代付 (pay on behalf of) or 请客 (treat). Common in expense-reimbursement contexts.