This is enough for a GUI because the active child frame can change only for a user action like a mouse click.

这对GUI来说足够了，因为活动子框架的改变仅缘于类似鼠标单击这样的用户行为。

youdao

This is enough for a GUI because the active child frame can change only for a user action like a mouse click.

这对GUI来说足够了，因为活动子框架的改变仅缘于类似鼠标单击这样的用户行为。

youdao