Although the word exposition has been around in English since before William Shakespeare was a glimmer in his parents eyes, the truncation down to expo didn’t happen until my own lifetime.

虽然在威廉·莎士比亚（在他父母看来）还未崭露头角时，该词已在英语中占有一席之地，但是将其截尾缩写成expo还是我所生活年代发生的事。

youdao

Yes, grandma hard toil for a lifetime, until now to do the housework every day, my heart is really ashamed!

是啊，奶奶辛辛苦苦劳累了一辈子，到现在还要天天做家务，我心里真是惭愧啊！

youdao

People's lives are in pursuit of their own happiness, some people wait a lifetime do not have to wait until their own happiness;

人们的一生都在追逐自己的幸福，有的人等了一辈子都没有等到自己的幸福；

youdao

Things like steel and polymers, or plastics, and ceramics, and of course computers which has progressed remarkably due to the work of engineers in your lifetime, until now you can carry around a cell phone, which would have been unthinkable even 30 years ago.

包括钢铁,聚合物,塑料,陶瓷,当然,计算机这个在你们的有生之年,已经取得令人瞩目的进展的发明,也得归功于工程师的工作,现在你们的手机能随身携带,而这在三十年前是不可想象的

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Patients with complex multiple amputations, who until recently would have faced a lifetime in a wheelchair, are now able to walk and take part in sports.

BBC: Boston marathon bombings: Life after limb loss

Until we go a very long time without an estate tax, lifetime gifting will make sense.

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Gates led the list by almost an order of magnitude and so it is not surprising he is leading billionaires into philanthropy, starting with his good friend Warren Buffett, who had no record of giving until a few years ago and who apparently was influenced to give during his lifetime by Gates.

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