月季掉葉子怎麼回事？多肉枯萎怎麼回事？/How does Rose Fall Leaf return a responsibility?

今日提問：長壽花、月季、龜背竹、多肉、朱頂紅/Question of the day: Longevity Flower, Chinese rose, tortoise-back bamboo, mutton, Hippeastrum striatum