You can answer with a specific age or age range when you think people are the happiest. You can also explain your reasoning, such as childhood being carefree, or adulthood bringing independence and achievement.

你可以回答一個具體的年齡或年齡範圍，說明人們在哪個時期最幸福。你也可以解釋你的理由，比如童年無憂無慮，或者成年帶來獨立和成就感。