你需要一个厨房计算尺
作者分享了自己使用厨房计算尺进行烹饪比例换算的经验，认为这种物理工具比数字计算器更直观实用，能帮助厨师快速调整食谱分量。
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The author argues that truly understanding something requires experiencing it firsthand rather than just intellectual comprehension. He emphasizes that feelings and personal experience are essential for genuine knowledge and mastery in any field.