"unspecified length of time" is correct and usable in written English.
You can use it when you want to talk about an unknown or undetermined amount of time. For example: We need to have the repairs completed within an unspecified length of time.
Of course, the notion to sit still with someone over an unspecified length of time to discuss private feelings and secrets is quite foreign.
On Monday, the government will allow private back-to-work companies and jobcentre case managers to force Blackburn and more than 300,000 sick and disabled welfare claimants into unpaid work experience for an unspecified length of time.
It would appear that the ConDem Government is marking this occasion by starting to allow private companies and jobcentres to force more than 300,000 disabled welfare claimants into unpaid work experience for an unspecified length of time.
Draft deal: Agreed, but: a) as an emergency provision for an unspecified length of time; b) rights to benefits must phase in over the four years; and c) the change to EU law has to be approved by the European Parliament.
Then an unelected "people's council" comprised of people with no political affiliation would act as legislators for an unspecified length of time.
Right now, Nike is offering free shipping on everything at its NIKEiD Web site through Nov. 29, while CVS is offering $5 off a $10 purchase at CVS.com for an unspecified length of time.
"Some for a year, others unspecified lengths of time.
"When we hold people in secret detention for unspecified lengths of time on the grounds that they are part of a terrorist apparatus," he said, "we are doing what we criticize countries all over the world for doing -- of using the pretext of combating terrorism to hold people of different political views for unlimited periods of time".
For an unspecified length of time the activists do not yet know if their phones could still be tapped Police intercepted and recorded their phone calls and text messages.
The length of time that CRs are expected to serve is unspecified in 53%, 2 years in 17%, and 3 5 years in 17% of CTSAs.
