Exercise:
1) Wash all kinds of vegetables separately and control the moisture for later use;
2) Tear the leafy vegetables into appropriate sizes by hand, and cut the root vegetables into diced or blocks respectively for later use;
3) Mix the root vegetables with a little clear vinegar (or rice vinegar) and marinate them slightly before use;
4) Put all 2) and 3) into a container and add salad dressing, which is delicious.