Vinegar is not called dark soy sauce, dark soy sauce is a type of soy sauce.
Vinegar is a fermented sour liquid condiment, mostly made from fermented sorghum, rice, corn, wheat, sugar and alcohol.
Vinegar is a commonly used category in condiments. Vinegar is also called vinegar, fermented wine, bitter wine, etc. It is a liquid sour condiment commonly used in cooking.
Dark soy sauce is a thick-colored soy sauce made by adding caramel to light soy sauce through a special process. It is suitable for adding color to meat. Its color is red, strong and black, and its taste is salty and sweet. Ideal for adding color and flavor to fragrant dishes.