The phrase "are sometimes discussed" is correct and usable in written English.
It can be used when referring to topics or subjects that are not consistently talked about but do come up occasionally in conversation or literature.
Example: "The implications of artificial intelligence on society are sometimes discussed in academic circles."
Alternatives: "are occasionally mentioned" or "are sometimes addressed".
Their work is so similar that they are sometimes discussed, in journals and books, as one person.
Structural reforms such as granting citizens a real say in government, or passing laws to bolster private enterprise by allowing mortgages, or opening equity markets, are sometimes discussed, but the easier option of throwing money at social programmes wins out.
The fact that these separate, though related, issues are sometimes discussed in one swoop presents a challenge to the reader of the relevant literature.
Some of these styles are more problematic than others, and, although they are not disorders in the clinical sense, are sometimes discussed under the term 'attachment disorder'.
The Godzilla movies are sometimes discussed as metaphorical explorations of the aftermath of World War II, nuclear power and the atomic bomb, and a whole mess of other things.
This way, large and potentially relevant outcomes are sometimes discussed even if they have not yet reached statistical significance.
And here on Cif, we are soliciting the views and experiences of readers and contributors so we can publish personal, opinionated accounts of the cuts agenda, to build a human picture of an issue that is sometimes discussed solely in terms of dry policy or Westminster village politics.
Personal identity is sometimes discussed under the protean term self.
Popular treatises, such as those by Juan Luis Vives, were sometimes discussed openly.
However, the idea of causal contextuality is sometimes discussed critically, since there is reason to think that it may be empirically inadequate (see Shimony 1984, Stairs 1992).
The same difficulty is sometimes discussed under the heading problem of easy knowledge, since some theorists (Cohen 2002) believe that certain things are difficult to know they cannot be known by deduction from banal knowledge.
