a piece of paper that can be used to pay for particular goods or services or that allows you to pay less than the usual price for them
发音
例句
1. The government should run a voucher system. 政府应该施行凭证制度。 2. Whenever cash is paid out, a voucher or receipt should be obtained. 无论何时只要支付现金,就必须要有一张凭据或者收据。