常見問題：
問：2. Q: How many members are there in Secret? 答： A: Secret originally had five members, but now consists of only four members after Song Ji-eun's departure.
問：8. Q: Has Secret appeared on any variety shows? 答： A: Yes, Secret has appeared on various South Korean variety shows, such as "Invincible Youth," "Law of the Jungle," and "Hello Baby."
問：參與冰桶挑戰的名人有哪些？ 答：參與冰桶挑戰的名人包括比爾·蓋茨、馬克·祖克伯、賈斯汀·比伯、泰勒·斯威夫特等。