一、假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线，并在该词下面写出修改后的词。
注意:
1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者(从第11处起)不计分。
Mobile payment is serving for people widely in China. The cashless trend had never been more popular. With the widespread use of mobile payment, Wechat and Alipay are two of the most convenient and safe ways to pay. People rarely need to carry a wallet and cash at all. They are used to paying by scan QR codes (二维码). When consuming. As result, people will never worry about the consequence which they may get fake notes. Besides, people can often get discounts if we make mobile payments. Mobile payment is winning over plenty of consumer with its convenience. So far mobile payment has great changed peopled life in China.
