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美国设计师设计的这组咖啡杯是不是给人一种耳目一新的感觉呢?仿佛低头望着这个杯口便能看到一个未知而又神秘的未来。
Is this group of coffee cups designed by American designers giving people a refreshing feeling? It seems as if looking down at this cup of tea can see an unknown and mysterious future.