比如，也许你知道你将在那时参加一个婚礼，不能参加官方的正式活动了？

Maybe you know you'll be at a wedding, for example, and can't make an official event?

youdao

据我所知，XP目前还没有经过任何官方更改，这些方法和思想还没有以任何正式的方式出现在领导组或类似的位置上。

There haven't been any official changes to XP, as far as I know, and these practices and ideas haven't appeared in any formal way on the leadership group or similar location.

youdao

但是瓦提裘提斯（Michael Vatikiotis）现在认为“2号轨道”更具主动性，当官方通道受阻时通过其它渠道开展工作，能为正式的和平谈判扫清障碍。

But Mr Vatikiotis now thinks that “Track Two” initiatives, which work through other channels when official ones are blocked, can smooth the way to more formal peace talks.

youdao

What it was it began the first country to adopt the gold standard officially was the United Kingdom and that was in 1717.

它是什么---它开始于,第一个官方正式地采取金本位制度的国家,是英国，那时是1717年。

耶鲁公开课 - 金融市场课程节选