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简介：

　　Amelia Barrowby is in fear for her life, fearing someone in her home will kill her. When she sees Poirot at a flower show where he is receiving an award, she speaks to him for a moment, giving him a packet of flower seeds. When he arrives back at his office, he discovers the seed packet is empty, and a letter from Mrs. Barrowby arrived in the morning post, which he did not rece...