This is the complete cycle that our bodies are naturally geared to undergo within the passage of a twenty-four hour day.

这是我们的身体在一天24小时内自然调整经历的完整周期。

youdao

Business flourished and within six months they were earning 18,000 roubles a day.

生意兴隆，6个月中他们每天挣18000卢布。

《柯林斯英汉双解大词典》

Within a day of igniting, the fire had burned through nearly 5,000 acres and forced hundreds to evacuate.

大火在一天之内就烧毁了近5000英亩土地，迫使数百人撤离。

youdao

This is what it said: I,Abraham Lincoln, president of the United States and commander in chief of the Army and Navy, do hereby declare that on the first day of January, eighteen sixty-three, all persons held as slaves within any state then in rebellion against the United States, shall then become and be forever free.

VOA: special.2009.10.08

Dr.Sweetness Siwendu treats TB patients at Site C Clinic: "It would be really great if we could have a vaccine - and if not, then at least be able to diagnose TB as soon as possible - preferably within the same day."

VOA: standard.2010.07.12

"The one thing which one can say about this election -- and we haven't been able to say this for any election within living memory -- is that the only certain thing is that we cannot predict the outcome, even on the day before the poll."

VOA: standard.2010.05.05

Open Innovation is a real force multiplier for AFRL. By opening this challenge up to the world through Innocentive, we were able to multiply the number of people thinking about this problem over 100-fold, and received a workable solution within a 60-day period.

WHITEHOUSE: Office of Science and Technology Policy Blog

Either way, the market seems to be in glass-half-full mode, and IBD says to look for a strong continuation follow-through day within 4-7 days of the reversal, which came last Tuesday.

FORBES: Stocks Stoked With European Progress, Earnings Season

But I did sample styles of entrepreneurship and business leadership in Europe, Montana and Silicon Valley, all within a 10-day period.

FORBES: Around the World in 80 Days