These days,women who advertise online for husbands are sometimes called "e-mail-order brides."

VOA: special.2011.02.14

The airmen don't fly until they're needed. That means waiting, sometimes for hours or even days.

VOA: standard.2010.04.27

Sometimes for whole days he would just nurse their wounds.

NEWYORKER: Tenth of December

Often equipped only with head lamps and homemade maps, they explore the tunnels and ancient rooms, sometimes staying underground for days at a time.

CNN: Loving life in Paris' Empire of the Dead

Then they waited hours and hours, sometimes days, for news of their loved ones.

BBC: Basle air crash: The mothers who never came home