作为附加的功能，该函数还测试新行的全局位置是否已经出现在父路径中。

As an additional feature, the function also tests whether the global position of the new row already appears in the parent path.

youdao

正是由于这些和消费者的交流，我们知道可以把它作为系统的一部分，这样很好，而不是仅仅把它，当做一种附加功能。

But thanks to these dreaming sessions that we learn maybe there is a standard option of this that could be really great instead of just putting it as an additional marginal.

youdao

我在最后以一个对可以实现来提供完整的(虽然很简单)基于服务的事务管理系统的附加功能的讨论作为结束。

I conclude with a discussion of additional functionality that can be implemented to provide a complete (albeit simple) service-based transaction management system.

youdao