Turn off IM and chat.

关掉即时通讯和聊天。

youdao

These system messages are also saved along with the chat transcript text and can be toggled on and off.

这些系统消息还随聊天记录文本一起保存起来，并可以进行切换。

youdao

Time stamps, which can be toggled on and off easily during a chat.

时间戳，可以在聊天过程中轻易地切换开关。

youdao

It was kicked off by a chat with Oprah, followed by a panel including Melinda Gates.

FORBES: 400: How Reinvention Sprang From a Diner In Omaha and Library Full of Billionaires - Forbes

But the fall of Chatroulette may be a sign that the shine has worn off randomized video chat.

FORBES: Chatroulette Starts Blurring Video As A Filter For Objectionable Content

It contains a fake Facebook logo and was passed off in a chat room as a Facebook security update, he said.

CNN: Computer spyware is newest weapon in Syrian conflict