How to describe the taste of sauerkraut?

Well, to describe the taste of sauerkraut, I think sauerkraut is a very popular ingredient in our life. As a Northeastern, he is loved by our table. How to use its taste? People who like him can say that he is delicious. Sour and sweet. Well, it tastes sweet and sour when embroidered into the nose. He who knows the sweetness and sweetness of his tongue but doesn't like him can do nothing. I like his smell. It's supposed to smell rotten. Different people feel different about him. Just like everyone's mood in our life will determine his view on one thing at that time.