选些个头小、表皮光滑的土豆做色拉。
行家建议：买姜不能光看外表，颜色鲜黄，表皮光滑的大部分为用硫磺熏制过。
Expert recommendations: Buy Ginger can not only appearance, color, bright-yellow, smooth skin smoked too much for the use of sulfur.
那些由于灼伤或是过度使用双手而导致指纹磨损的人常常感觉表皮光滑的指尖要抓紧任何东西几乎不太可能。
People whose fingerprints have worn off because of burns or overuse often find that the smooth calluses that develop on the fingertips make it nearly impossible to maintain a grip on anything.
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