Would you agree that silver tea strainers are impractical? The metal is so highly conductive that after filling your cup, the strainer becomes too hot to remove by hand. In China — the home of tea — nobody seems to care about tea leaves floating around in their cuppa. Perhaps the front rows of teeth act a natural filter.
（邓永铿爵士为FT专栏作家，就生活礼仪方面的问题答读者问。）
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