When answering this question, you can discuss the social and psychological reasons why people tend to smile in photographs. Smiling is often seen as a way to appear friendly, approachable, and happy, which helps create a positive image of oneself. People may also smile in photos to capture joyful moments and memories, as photos are often taken during celebrations, gatherings, or special occasions. Additionally, smiling can be a social norm or expectation when posing for pictures, as it is generally associated with pleasant emotions and good times.

回答這個問題時，你可以討論人們在拍照時傾向於微笑的社會和心理原因。微笑通常被視為一種表現友善、親切和快樂的方式，有助於建立積極的自我形象。人們拍照時也可能會微笑，以捕捉快樂的時刻和回憶，因為照片通常是在慶祝活動、聚會或特殊場合拍攝的。此外，微笑也可能是一種社會規範或拍照時的期望，因為微笑通常與愉快的情緒和美好時光相關聯。