Today's focus:

买(mǎi) to buy

我要买这个。(wǒ yào mǎi zhè gè) I want to buy this one.

可以便宜点吗。(kě yǐ biàn yí diǎn ma) Can you make it a little bit cheaper?

信用卡(xìn yòng kǎ ) credit card

用信用卡可以吗。(yòng xìn yòng kǎ kě yǐ ma) Is it possible to use a credit card?