built-in function

• 库函数

built-in function的用法和样例：

例句

1. Adding a library function to do this will save the scriptwriter time, and improve the maintainability of the scripts.
   添加一个库函数来做这些事情将会节省脚本编写者的时间，并且能改进脚本的可维护性。
2. They indicate that the application is busy with some internal function and that performance in other areas is likely to degrade.
   它们向用户表明当前程序正在忙于某些内部功能，其他功能的处理能力可能会降低。