wúfǎ cānjiā de tóngshì qǐng zài qún lǐ shuōmíng yuányīn bù xūyào dāndú sīliáo

无法参加的同事请在群里说明原因，不需要单独私聊。

Colleagues who cannot attend please state the reason in the group chat; there is no need to send a private message.