translation.en: She wrote back to me and she said, "I'm so proud to have a son that created the software that allowed these kids to make Mother's Day cards for their mothers."
translation.zh: 她给我回信说， “我很骄傲，我的儿子能做出这样的软件， 让孩子们能够为自己母亲制作母亲节贺卡。”