Sentence examples for until it is useful from inspiring English sources
The teacher gets students to listen and comment on each other's answers, rather than designating any as correct or incorrect herself, at least until it is useful to do so.
In an effort to determine why he is the presumptive nominee (technically he won't be nominated until the delegates cast their ballots), it is useful to analyze his communications strategy and why it has been effective to this point.
It is useful nonetheless.
If a thief steals your credit card or bank account number, for example, it's useful only until the credit limit is reached or you catch on to the hack and close the account.
He said, "We've been working on designing really high-quality ads for all feed products". But we only keep [your GPS location information] until it is no longer useful to provide you services, like keeping your last GPS coordinates to send you relevant notifications.
Muslin or cheesecloth will compost well, although you can also simply rinse it off, allow to dry and reuse until it is no longer useful.
Even when there are many posters and leaflets in circulation, patients do not always perceive that it is available to them or that it might be useful for them until it is specifically recommended.
The startup says that GPS traffic data collected from smartphones (i.e. any phone running Waze) is very inaccurate, and isn't really useful until it is post-processed and analyzed in bulk.
