这是调用方与被调用方约定好如何互相传递参数和返回值，以及函数自己如何使用栈。
These are the methods that a calling function and a called function agree on how parameters and return values should be passed between them, and how the stack is used by the function itself.
有好几次，我都已经和商家约定好了，但我最后还是推荐他与商家合作。
Several times, when I was already booked for an engagement on a certain date, I would refer him to the person from the company who had called me.
有好几次，我都已经和商家约定好了，但我最后还是推荐他与商家合作。
Several times, when I was already booked for an engagement on a certain date, I would refer him to the person from the company who had called me.
应用推荐