请出示购买凭证。
Please show your purchase receipt.
proof; certificate; receipt
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
请出示购买凭证。
Please show your purchase receipt.
发票是报销凭证。
The receipt is proof for reimbursement.