This changes in 3.8 as many enhancements have been made in this area, based on user input.
这点在3.8中发生了变化，因为该领域根据用户输入进行了许多改进。
Now add a Box widget to contain the input area for the user.
现在，添加一个包含用户输入区的 Box 小部件。
A rectangular area of the screen that may respond to user input events.
屏幕的一个矩形区域，能响应用户的输入事件。
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