1.You can discuss common activities people engage in on social media, such as sharing photos, chatting, or reading news. 2.You might also consider mentioning the reasons behind these activities, like staying connected, entertainment, or information gathering.

1. 你可以討論人們在社交媒體上參與的共同活動，例如分享照片、聊天或閱讀新聞。 2. 你也可以考慮提到這些活動背後的原因，例如保持聯繫、娛樂或資訊收集。