Seven or "seven" was originally one of the numbers. [1] It was originally written as "going up and down the mountain and connecting ten" (that is, the word "mountain" is connected with the word "ten", and the vertical pen in the middle of the word "mountain" and the vertical pen of the word "ten" is Lian Bi), but it was written as "door" and a word "seven" was added. When used as a numeral, it can indicate the capitalization of seven, which is used for bookkeeping. For example, 700 yuan

Cantonese, also known as Cantonese and Guangfu dialect, is commonly known as vernacular Chinese, and is called Tang dialect overseas. It is one of the seven dialects of Sino-Tibetan tonal language and Chinese, and it is also the mother tongue of Guangfu people of Han nationality.

Cantonese, an elegant word originating from the ancient Central Plains, has a complete set of nine tones and six tones, perfectly retaining the characteristics of ancient Chinese. Cantonese is widely spoken in Guangdong, Guangxi, Hainan, Hong Kong, Macau and overseas Chinese communities in China, such as Kuala Lumpur, Ho Chi Minh City, Australia, Sydney, Melbourne, Christmas Island, new york, San Francisco, Vancouver and Toronto. Nearly 40 million people in Guangdong Province use Cantonese, and about 70 million people in the world use Cantonese.

Cantonese is widely used in the Pearl River Delta region of Guangdong Province, western Guangdong, south-central and southeastern Guangxi, western Hainan Province (villages where Danzhou dialect and Mai dialect are spoken), Hong Kong and Macao, Singapore in Southeast Asia, Medan, Christmas Island, Malaysia, northeastern Vietnam (where Shanyou people live) and Chinese communities in North America, Britain, Australia and New Zealand.

The prominent feature of Guangdong, Guangxi and Cantonese is its distribution along the river: Guangzhou and Hong Kong are the centers, and it is spread in four ways: east, west and south. The first channel is Xijiang-Pearl River, that is, the area from Xijiang to Panyu (Guangzhou) in the east, including Wuzhou and Hezhou in Guangxi, Zhaoqing, Fengkai, Deqing, Foshan, Guangzhou, Zhongshan, Zhuhai, Dongguan, Shenzhen and Jiangmen in Guangdong, and two special administrative regions of Hong Kong and Macao. The second river is Xijiang-Yujiang, which goes back to Xijiang, Jiang Xun and Yujiang and reaches Jiaozhi County.

Including Nanning, Chongzuo, Guigang, Wuzhou and most of their counties in Guangxi. The third river is Beiliu River-Nanliu River. Including Yulin, Guangxi and North China.