Sometimes, symptoms of the disease appear and then disappear for a long time.

VOA: special.2009.01.06

For example,fake identity cards are sometimes used to take away subsidized food grains meant for the poor and which are then sold for profit.

VOA: standard.2009.09.24

"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