In general, the constraints must define both the size and the position of each view.

一般来讲，约束必须同时定义每个视图的尺寸和位置。

youdao

In general, the constraints must define both the size and the position of each view.

一般来讲，约束必须同时定义每个视图的尺寸和位置。

youdao