1.You can discuss the popularity of sending emails in China based on your observations or knowledge. 2.You can also compare it with other forms of communication, such as messaging apps, and explain the reasons for its popularity or lack thereof.

1. 你可以根据你的观察或知识讨论在中国发送电子邮件的受欢迎程度。 2. 你还可以将其与其他通信方式进行比较，例如即时通讯应用，并解释其受欢迎或不受欢迎的原因。