I'm usually single, and that is usually not a problem.

VOA: special.2009.12.28

to the... -Em... I'm not aware of any sort of...arguments with the say that it's a single economic zone.

成为。。。，-嗯。,我没听过有人反对,这样一个单一经济区的存在。

普林斯顿公开课 - 国际座谈会课程节选

I'm not arguing for single-elimination in the NBA or NHL: I think you could do best-of-5 in the first two rounds, then best-of-sevens for the conference finals and finals.

WSJ: NBA, NHL Playoffs: Why Are the Playoffs So Long?

Although it would definitely be useful to know your car's fuel mileage (a decline in miles per gallon is a good indicator of potential problems), I'm not dedicated enough to enter every single gasoline purchase.

CNN: Use your Mac to track your money

Because I'm not going to be right on every single issue.

CNN: Transcript of Thursday's Democratic presidential debate