1. When answering this question, discuss the various occasions when formal photos are typically required or preferred. These include significant life events such as weddings, graduations, and formal gatherings like galas or award ceremonies. 2. You can also mention professional settings where formal photos are necessary, such as for corporate profiles, business websites, and official documents like passports and IDs. Explain that formal photos help convey professionalism and respect for the occasion or requirement.

1. 在回答這個問題時，討論通常需要或偏好正式照片的各種場合。這些包括像婚禮、畢業典禮以及如舞會或頒獎典禮這樣的重要生活事件。 2. 你還可以提到需要正式照片的專業環境，比如企業檔案、商業網站，以及護照和身份證等官方文件。解釋說正式照片有助於表現專業精神，並對場合或要求表達尊重。