37分38秒本来是纪录片《江油事件》的时长，但最近，这个数字在中国的社交平台上成了一个暗号，网友们用3738来代表纪录片《江油事件》，并在暗地里传播这部纪录片。
The original runtime of the documentary The Jiangyou Incident was 37 minutes and 38 seconds, but recently, this number has become a code on Chinese social media. Netizens use “3738” to refer to the documentary and quietly share it underground.