this
已经
already， yi3jing1
再
again， zai4
这么
so (to a degree), zhe4me
所以
so, therefore; suo3yi3
卡
ka3, card
钱包
qian2bao1; wallet
找
zhao3; to give change
付
fu4, to pay
刷卡
shua1ka3; to pay with credit card
没问题
mei2 wen4ti2； no problem
花
hua1, to spend (money, time, effort)
发票
fa1piao4, receipt
不用
bu2yong4 - no need
担心
worry; dan1xin1
要是。。。（的话）
yao4shi(none)...de hua4; if
项链
xiang4lian4
现金
cash， xian4jin1
信用卡
xin4yongn4ka3
收
shou1; to accept/receive money
银行
yin2hang2; bank
如果
ru2guo3; if
货币
huo4bi4; currency
怎么买？
zen3me mai4; how much does it cost (colloquially)
售货员
shou4huo4yuan2; salesperson
收据
shou1ju4; receipt