2. If you append a variable by reference then change its value, the appended value sees the change as well. 如果采用引用的方式添加了一个变量,那么当这个变量的值改变时,被添加的值也随之改变。
3. For example, a best practice when tracking multiple subdomains in a single profile is to append the subdomain name to the page names. 例如,一个最佳做法时,跟踪多个子网域在一个配置文件是附加的子网域的名称的网页名称。
英英解释
v.
1. add to the very end
2. fix to; attach
3. state or say further