9 sentences

1. 麻烦给我开一张发票。

   má​fan gěi wǒ kāi yī zhāng fā​piào.

   Could you please issue an invoice for me?

   Source: Dong Chinese Dictionary

2. 这张发票上的金额写错了。

   zhè zhāng fā​piào shàng de jīn'é xiě cuò le.

   The amount on this invoice was written incorrectly.

   Source: Dong Chinese Dictionary

3. 请问发票抬头写哪个单位？

   qǐng​wèn fā​piào tái​tóu xiě nǎ gè dān​wèi?

   To whom should the invoice be made out?

   Source: Dong Chinese Dictionary

4. 请务必保留好发票的原件。

   qǐng wù​bì bǎo​liú hǎo fā​piào de yuán​jiàn.

   Please be sure to keep the original copy of the invoice.

   Source: Dong Chinese Dictionary

5. 请问可以给我开一张发票吗？

   qǐng​wèn kě​yǐ gěi wǒ kāi yī zhāng fā​piào ma?

   Could I have an invoice, please?

   Source: Dong Chinese Dictionary

6. 请把这些出差的发票拿去报销。

   qǐng bǎ zhè​xiē chū​chāi de fā​piào ná​qù bào​xiāo.

   Please submit these business trip invoices for reimbursement.

   Source: Dong Chinese Dictionary

7. 买方应在收到发票后十天内付款。

   mǎi​fāng yīng zài shōu​dào fā​piào hòu shí tiān nèi fù​kuǎn.

   The buyer should make payment within ten days after receiving the invoice.

   Source: Dong Chinese Dictionary

8. 请保留好这张发票，作为报销的凭证。

   qǐng bǎo​liú hǎo zhè zhāng fā​piào, zuò​wéi bào​xiāo de píng​zhèng.

   Please keep this invoice as a voucher for reimbursement.

   Source: Dong Chinese Dictionary

9. 别把发票扔了，它可以对奖。

   bié bǎ fā​piào rēng le, tā kě​yǐ duì​jiǎng.

   Don't throw away the receipt; it can be used for the lottery.

   Source: Dong Chinese Dictionary