The phrase "address two main concerns" is correct and usable in written English.
You can use it when discussing specific issues or problems that need to be dealt with or resolved.
Example: "In this report, we will address two main concerns regarding the project's timeline and budget."
Alternatives: "tackle two primary issues" or "deal with two key concerns."
"The Sachs Scholarship will provide me with the invaluable opportunity to work with one of the leading laboratories in mobile robotics under a professor who is dedicated to creating technology motivated by global issues". Cen hopes her work will address three main concerns about autonomous transportation systems — safety, reliability and public support.
It addresses three main concerns of systematic testing: the establishment of underlying structural models (section 'Creating an underlying model'), the identification of relevant test requirements based on that models (section 'Deriving test requirements') and the difficult to analyse and cover such requirements (section 'Covering and analysing test requirements').
Pragmatically, this five-door addresses the two main concerns of potential buyers of the regular, recently updated, Mini: a lack of space for both rear passengers and luggage.
There are two main concerns addressed by the Seat Egress in Air Travel Act: "economy class syndrome" (the condition experienced by travelers who develop deep vein thrombosis, the formation of a blood clot or clots, after long-distance flights) and the ability for passengers to safely evacuate a plane when they can barely get into their seats in the best of circumstances.
When the Senate first addressed the Treaty in 1999, there were two main concerns which led to the negative vote in the Senate: whether the treaty was verifiable and whether the U.S. nuclear stockpile could be maintained without testing.
His two main concerns with sequestration are its failure to address mandatory spending growth and its disproportionate impact on national defense.
They say North Korea has two main concerns, both of which can be addressed in the talks.
However, I do have two main concerns that I feel need to be addressed before we make a final decision on this paper.
We identified and sought to address five main ethical concerns.
