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：10. Q: Are Secret still active as a group? 答： A: Yes, Secret is still active as a group, with the remaining members continuing to release music and participate in various activities.
問：全孝盛有參與演藝圈的活動嗎？ 答：全孝盛除了音樂活動外，也參與了多部電視劇和綜藝節目的演出。