The phrase "a certain item of" is correct and usable in written English.
It can be used when referring to a specific object or concept without naming it directly, often to create a sense of ambiguity or generality.
Example: "I need to discuss a certain item of interest that has come to my attention recently."
Alternatives: "a specific piece of" or "a particular aspect of".
"There is a very dangerous culture of victim blaming whereby people can feel that because they walked a certain place or a certain time, or wore a certain item of clothing that they are to blame.
He explains that thanks to the Stealth system, a retail outlet in, say, Hong Kong will inform Ittierre's salespeople and designers in Pettoranello by its intranet communication system that a certain item of clothing is flying off the shelves.
And to be honest, I always carry my Costco card, just in case -- though I only get there a few times a year!" Much like other experts on this list, there's a certain item of personal significance Savage never carries with her.
However, if you really need a certain item of clothing or cosmetic, make sure you search for the cheapest version on the internet that you can find.
Also, if you're not allowed to wear a certain item of clothing at school e.g. boots, ask if you can wear them to and from school.
And if you like a certain item of clothing because you know it makes you look good and feel comfortable, focus on getting more of that type, to reduce the time investment needed to work out what to wear each day.
Since logistic regression models do not control for the latent variable one cannot test whether the association between gender and individual item responses is related to an association with disability or simply caused by women being more likely to provide a positive response to a certain item in spite of having the same degree of disability.
It led to a series of rows and eventually, after one extremely contentious decision not to run a certain item (the contents of which I cannot disclose), MacKenzie went.
If you can't seem to wear a certain item, get rid of it.
Puzzle-solving is an important part of the game, with the solutions often involving a certain item combination or the completion of tasks in different zones.
In the Rasch model item difficulty is an expression of probability of getting a certain item 'correct'correct
