coscup-matterbot says to #coscup <DennyHuang> 噢 2020 就有在用了 (re @coscup_matter_bot: [irc] <COSCUP_bridge_bo> <DennyHuang>: 喔喔 原來是現在接 IRC 過去的訊息啊 難怪前綴這麼長)