1.   LIFESPAN is unknown at the LIFESPAN node.

2.   And so when it came time for me to choose what to study, I picked electronics, which was pretty much unknown at the time.

3.   He chose actors who were young and unknown at the time, among them Robert De Niro, Dustin Hoffman and Richard Dreyfuss.

4.   Its prospects are unknown at this time.

5.   The risk of transmitting the virus sexually is unknown at this time, according to the American Liver Foundation.

6.   Where Jan the Elder made his name was as a painter of flowers, a genre that was unknown at the time.

7.   Whether these items will be bundled with the phone was unknown at press time.

8.   And while Lazio is relatively unknown at the moment, Mahoney said that should not be a handicap.

9.   He toured England, with the Beatles, local and unknown at the time, opening for him.

10.   Black or brown faces are rare or unknown at the top of most British firms and professions.