The phrase "a usual problem in" is correct and usable in written English.
It can be used to describe a common issue or challenge that occurs within a specific context or field.
Example: "Lack of communication is a usual problem in team projects, often leading to misunderstandings."
Alternatives: "a common issue in" or "a frequent problem in".
But the usual problem in optics is they're not tunable". Similarly, previous attempts to create quantum "corrals" for electrons have used atoms precisely positioned on a surface, which cannot be reconfigured easily.
But the usual problem in democracy is the tyranny of the majority, and it is hard to imagine that this would not be the case with more corporate democracy.
The idea here is to overcome the usual problem in Slack where you come back from vacation (or even just a long weekend away) and don't know what has happened while you were gone.
He said he and Guzman-Cordova, who worked as a house cleaner, had the usual problems in a marriage, but he declined to elaborate.
"the book does a good job of minimizing the usual problems in a collection of papers by different authors.
The relative dirty extracts obtained and the elution time shifts make it necessary to use a PARAFAC2 decomposition to solve these two usual problems in the chromatographic determinations.
Although HSE is a large-scale study, it has all the usual problems in response rates and participation.
He was performing surgery to remove bone chips from a horse's joint, and had expected to find all of the usual problems in the joint, like wear and tear of the cartilage.
The skeleton crew of 3,500 people operating the company can barely cope with the usual problems in the ancient network, let alone sabotage.
With all the talk at the conference about writers the Reagan Administration has barred under the McCarran-Walter Act - Nobel laureate Gabriel Garcia Marquez among them -at least one author did not encounter his usual problems in entering the United States.
