如果现在支付，可以享受八折优惠。

Rúguǒ xiànzài zhīfù, kěyǐ xiǎngshòu bā zhé yōuhuì.

If you pay now, you can enjoy a 20% discount.

您打算用现金还是信用卡支付？

Nín dǎsuàn yòng xiànjīn háishi xìnyòngkǎ zhīfù?

Do you plan to pay in cash or by credit card?

他忘了带钱包，只好让朋友先帮他支付。

Tā wàng le dài qiánbāo, zhǐhǎo ràng péngyou xiān bāng tā zhīfù.

He forgot to bring his wallet, so he had to ask his friend to pay for him first.