Every person has unforgettable experiences is a way to express the idea that everyone has memories that they will never forget.
Here are some example sentences and their translations:
John always talks about his trip to Europe as one of his most unforgettable experiences.
(约翰总是谈论他的欧洲之旅是他最难忘的经历之一。)
Sarah said her wedding day was the most unforgettable experience of her pfe.
(莎拉说她的婚礼是她一生最难忘的经历。)
Tom considered his first skydiving experience as the most unforgettable moment in his pfe.
(汤姆认为他的第一次跳伞是他生命中最难忘的时刻。)