你是按值传递的容器，这意味着你将复制为它获得通过。

You're passing the container by value, which means you'll be making a copy as it gets passed.

youdao

参数按值传递的话，任何对该参数的修改都不会反射到调用这个方法的程序，使用按引用传递参数的人可能对这一点搞到困惑。

With pass by value, any change to the parameter is not reflected in the calling routine. Those who have used pass by reference will probably find this confusing.

youdao

例如，可以配置一个Message Filter中介原语，以根据某个特定XPath表达式的值(是否为真)来按多种路径之一传递消息。

For example, you can configure a message Filter mediation primitive to route messages down one of multiple paths, depending on whether a particular XPath expression holds true.

youdao