代金券

wǒ zhèng zài zǎn dài jīn quàn lái huàn yī zhāng qù měi guó de pián yi jī piào

我正在攒代金券来换一张去美国的便宜机票。

I am saving up vouchers to get a cheap air ticket to the States.

huò shèng zhě měi rén jiāng huò dé liǎng zhāng diàn yǐng piào de dài jīn quàn

获胜者每人将获得两张电影票的代金券。

The winners will each receive a voucher for a pair of cinema tickets.