英语高手请进,跪求帮忙翻译成英文。答:Southwestern Guangxi and Vietnam linked by mountains and rivers of the Northeast, Dongxing, Guangxi, Fangcheng, Ningming, Pingxiang, Lung, and Dah Sing, Jingxi, the slope of the border, such as 8 (cities, districts) and Vietnam's Quang Ninh, Lang Son, Cao Bang, Ha Giang ...