The phrase "a serious aspect" is correct and usable in written English.
It can be used when discussing an important or significant feature or element of a topic or situation.
Example: "One serious aspect of climate change is its impact on global food security."
Alternatives: "a critical factor" or "an important element".
There is a serious aspect.
This is because speculation is a serious aspect of every form of inquiry, science especially.
The Abenteuerroman is an entertaining story recounting the adventures of the hero, but it often incorporates a serious aspect.
Coming back to the final round Sunday, there is a serious aspect that needs airing, and a dreamlike aspect that Tévez himself tried to explain.
Regarding the County Lines column by Marek Fuchs, "The Hired Hands (At Top Dollar)" (Dec. 21): The column was a light-handed and almost dismissive commentary on a serious aspect of municipal government.
The article uses these three themes to explore how the unconventional spaces of the group are not mere products of marginality but a serious aspect of mobilising the dissident and 'anti-psychiatric' recovery sought by its members.
In baseball, he has been a player in search of a position; in a more serious aspect of his life, he recently experienced the death of his mother after her long bout with cancer.
But there is, of course, a more serious aspect to this moral self-promotion.
But there is a more serious aspect to vegans shouting about their lifestyle for what feels like 24 hours a day.
A more serious aspect of the raid was the desecration of the memorial fountain erected by the side of the South Ballater to Braemar road, which skirts and practically runs through the golf course.
Baker found the same enjoyment in flying that he had in sports, but with a more serious aspect.
