He could not understand why his countrymen were moaning and hankering after the past-but he had not experienced the transition.

他无法理解他的同胞们为何都对过去充满哀叹和不舍——但是他没有经历那次转变。

youdao

And marriage is a huge transition, so why add that to the other inevitable transitions you're going to face?

结婚是一个大的转变，所以何不再添加一项你将要面对的必然的转变呢？

youdao

Dr. Tattersall believes the leap to humans may have been brought about very suddenly, perhaps by a few critical genetic changes, which is why the transition is so hard to trace in the fossil record.

塔特萨尔博士认为，转变到人类的飞跃产生已经很突然，或许由于几个重要的基因变化。 这就是为什么这个转变在化石记录里很难找到。

youdao

And that is why the transition period was announced at the same time that the rule was announced.

WHITEHOUSE: Press Briefing

Beyond the expense associated with adding a touch screen, and beyond the corporate decision to delay their inclusion, there are a number of reasons why the touch transition is years away from completion.

FORBES: How Long Until Every Display is a Touch Screen?

This transition is why big data is important.

FORBES: Big Data is Creating A Digital Nervous System