| 1 | But the slaughter went unreported in that closed society. | |
| 2 | Like all the nuclear weapons states, China is secretive about its arsenal. | |
| 3 | There are reasons, motives, traditions behind the choice of color, but my mother keeps them secret. | |
| 4 | In my experience, entrepreneurs who are overly paranoid or are information hoarders rarely do well. | |
| 5 | Google kept confidential the parts of its letter describing Apple's reasons for rejecting Google Voice. |