常見問題:
問:4. Q: What was Secret's debut song? 答: A: Secret's debut song was "I Want You Back," released in 2009.
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:冰桶挑戰對ALS研究的影響是什麼? 答:冰桶挑戰成功地提高了公眾對ALS的認識,並為研究籌集了大筆資金,加速了對該疾病的研究進程。