But functions can only take a single input to a single output.

但是函数只能从一个输入到一个输出。

This piece of work takes one single input image that we can trivially obtain by making a screenshot of the user interface, and it almost immediately provides us with the code that is required to recreate it.

这篇论文通过将 UI 界面截图、获得单一输入图像，就能快速生成所需的新代码。