探索用以促进健康饮食的监管和自愿性工具（如推销规制和营养标签政策）和经济鼓励或不鼓励做法（如税收、补贴）； Operation would be the work accomplished by a surgeon. By analogy, the function of an editor wielding his pen being a scalpel is s kind of surgery. A surgery in England (and some other countries) can be a health practitioner's or dentist's Workplace. Patients who proceed to exper... https://alch-lab.com/keto-diet/