服务器的第二个角色就是监听事件流(一次修改，一条信息，或者股票的实时变化)，并能高效的返回响应给客户端。

The secondary role of the server is to listen in on a stream for events (a new edit, a message, or ticker change) and efficiently push responses back to clients.

youdao

服务器的第二个角色就是监听事件流(一次修改，一条信息，或者股票的实时变化)，并能高效的返回响应给客户端。

The secondary role of the server is to listen in on a stream for events (a new edit, a message, or ticker change) and efficiently push responses back to clients.

youdao