Reference subject: A conversation about old movies A conversation about traditional customs A conversation about changes in the hometown A conversation about how to use smart phone A conversation about changes in technology and lifestyle Teaching them to use social media platforms Explaining online shopping and digital payments Introducing them to video calling and its benefits

参考主题Reference subject： A conversation about old movies 关于老电影的对话 A conversation about traditional customs 关于传统习俗的对话 A conversation about changes in the hometown 关于家乡变迁的对话 A conversation about how to use smart phone 关于使用智能手机的对话 A conversation about changes in technology and lifestyle 关于科技和生活方式变化的对话 Teaching them to use social media platforms 教他们使用社交媒体平台 Explaining online shopping and digital payments 解释网上购物和数字支付 Introducing them to video calling and its benefits 介绍视频通话及其好处