It is absolutely a journey that is in progress.

毫无疑问的，这个伟大的想法正在实施中。

I would like to say without big words and fanfare since a very difficult and complex negotiation is in progress.

毫不夸张的说，布鲁塞尔正在进行一场艰难无比的会谈。

Now, while a drag is in progress, the system handles that touch, leaving your app fully interactive and free to respond to any other touches.

拖拽正在进行的过程中，系统会响应触摸这个动作让你的应用程序完全可交互，并且能够响应其他的触摸动作。