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I have studied in New York, Boston, and Delaware. 1. First of all, let's talk about the habit of drinking hot water, regardless of water quality and source. Ancient Chinese people did not widely use hot water in their daily lives because they were limited by the level of utensils and resources, and only used it in the daily life of households with better living conditions, when drinking tea or in cold weather; Mainly formed during the patriotic hygiene movement before and after the Korean War to resist bacterial warfare, the country advocated drinking boiled water to sterilize and disinfect. Due to the development of industrialization, it was already different from ancient times where water bottles, heat sources, etc. could be easily obtained. At this time, the source of "raw water" still came from natural water sources (well water, drinking water). Since then, there has been a distinction between "raw water" and "boiled water" among the people, which has developed a habit of drinking boiled water, health preservation, and taste, which will be discussed later. |