Conflicts arising after, the four parties in the foreign exchange shop with 100 euros Czech koruna exchange, the dollar after the price is unreasonable, a refund of the euro.

• 矛盾产生的经过，是四位当事人在外汇兑换店用100欧元兑换捷克克朗，兑换之后感到价格不合理，要求退还欧元。