Since most dosages are passed on orally, perhaps even incorporating a few suggestions from customers, knowledge of them may die out if the next generation shows no interest.
顧客買回的藥草，不管是乾是濕，都要先洗乾淨。多半是加水煮成茶喝，只有少數加上排骨、土雞、或裡肌肉同燉。