When any change in the model affects the elements defined in the binding, then the binding itself comes into play.

当模型中的任何变化影响到绑定中定义的元素时，绑定本身就会发挥作用。

youdao

When any change in the model affects the elements defined in the binding, then the binding itself comes into play.

当模型中的任何变化影响到绑定中定义的元素时，绑定本身就会发挥作用。

youdao