Sometimes I can do two things by performing only one action.

VOA: special.2010.06.13

Sometimes we can kill two birds with one stone.

VOA: special.2009.07.26

Sometimes these two jobs may seem to conflict.

VOA: special.2009.09.28

Sometimes there are no two ways about it.

VOA: special.2009.07.26

Sometimes the continents are above two plates.

VOA: special.2010.01.12

"Right now we have about They get one package of food every two weeks, a total of six packages if they are really in dire circumstances then we sometimes renew their order and send them another six packages."

VOA: standard.2009.09.09