男子在白板上书写

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A photorealistic corporate photograph of a man resembling {argument name="person name" default="Sam Altman"} wearing a {argument name="clothing" default="black long-sleeve sweater"}, standing in profile and writing on a large whiteboard with a black marker. The whiteboard features clear, handwritten black text reading "{argument name="line 1 text" default="Model: ChatGPT"}" with "{argument name="line 2 text" default="Company: OpenAI"}" written directly below it. In the bottom right corner, smaller text reads "{argument name="signature text" default="- Sam Altman CEO, OpenAI"}". The scene is set in a bright, modern office with soft natural lighting and a softly blurred background.