机器人利用系统中的记录文件来唱歌，还能通过语音识别和面部表情和听众互动。
He sings recorded files in his system and USES speech recognition and facial expressions to interact with his audience.
IO错误、网络错误和其他系统错误都会记录到这个文件中。
Errors with IO, networking, and other general system errors are reported in this file.
ENOLCK：没有可用的锁；您已达到系统对文件锁或记录锁的限制范围。
ENOLCK — No locks are available; you've reached a system-wide limit on file or record locks.
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