Stir-fried Chinese cabbage with vinegar is a simple yet flavorful dish that involves sautéing shredded cabbage with garlic and onion, then adding a light sauce made of soy sauce, sugar, and vinegar. The result is a tangy and slightly sweet vegetable dish that pairs well with rice and other Chinese dishes. It's a popular side dish in many Asian households and can be easily customized with different vegetables or spices to suit personal tastes.