在考研英语作文中，润色是提升文章质量的关键步骤。以下是对一篇考研英语作文的润色示例：
原文：
Dear friend,
I am writing to express my sincere gratitude for your kind assistance during my recent trip. It was truly a pleasure to meet you and I am grateful for your help in navigating the city.
润色后：
Dear cherished friend,
Allow me to extend my deepest appreciation for your invaluable support throughout my recent journey. The encounter with you was an absolute delight, and I am immensely grateful for your guidance in exploring this vibrant city.
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