What words do people use at work?

Tong, Tang, Chinese characters. The ancient word "Tong". It means the same thing. In the Tang Dynasty, Lu Tong wrote the poem "Making Friends with Ma Yi": "In the past, we were different, but we were different, which was called big and small." It can also be used as a surname. There was Tang Yin in the Ming Dynasty (see Biography of Ji Fang in the Ming Dynasty), and there was a beautiful beard in Water Margin: Zhu Tong.