'mainly concerned with' is a correct and usable phrase in written English. It is used to indicate focus or emphasis and can be used in any context when discussing topics or activities. For example, "The report was mainly concerned with outlining the implications of the new policy."
Both cases were mainly concerned with sabotage.
Early on, Docomomo was mainly concerned with preservation techniques.
Vincent du Vigneaud's research was mainly concerned with sulfur-containing compounds of biochemical importance.
And even if we had it now, the FAA is mainly concerned with domestic airspace.
Unlike the drive-by review, the critic is mainly concerned with the writer, not the reader.
It is therefore mainly concerned with the stabilization rather than the administrative aspects of the budget.
Other industries are mainly concerned with processing raw cotton and other agricultural products.
Levi was mainly concerned with the 1950s, however, not the recent past.
"We're mainly concerned with our major competitors," said Todd Clay, a spokesman for Delta Air Lines.
Kate Adie knows why war reporting is mainly concerned with armed conflict.
Men are mainly concerned with misleading ads, which accounted for 64% of total complaints.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia