將你的信息傳送給鄭老師
微信QR code扫描:
QR 帐号: zhenglaoshi416
你可以用中文或英文联络郑老师。倘若郑老师能用英文回复，
Zhenglaoshi usually responds to messages. To contact him, you may do so in either Chinese or English. Since it takes him less time to respond in English, you are encouraged to write him in English.
