访问您网站的访问者被分配了一个唯一的 ID，所谓的会话ID.这要么存储在用户的 cookie 中侧或在 URL 中传播."

"A visitor accessing your web site is assigned a unique id, the so-called session id. This is either stored in a cookie on the user side or is propagated in the URL. "

会话:介绍