The phrase "again we return" is correct and usable in written English.
It can be used to indicate a return to a previous topic or situation after having discussed something else.
Example: "After exploring various themes in our discussion, again we return to the central question of our debate."
Alternatives: "once more we come back" or "we return once again".
Again we return to consider thermodynamics operating in a gravitational field.
Again and again we return to Olsen's fear of being trapped.
Time and again, we return to a shot of the central courtyard, where a lantern is lit every evening to indicate which spouse will enjoy the master's favors during the coming night: a serene image of total and capricious subjection.
Each step forward in technology is analysed for its military or vocational applications, but time and again we return to the idea of storytelling and how seeing and hearing ourselves reflected back creates an aspirational loop.
Once again we return to the manner in which the perceptions of the volcanic risk are fundamentally socio-political.
"This is a very clear message I have for the banks: Either they sort it out themselves - so that once and for all the High Street bank is not an arm of the casino operation - or the next Labour government will, by law, split those banks up so that once again we return to the best traditions of British banking, which is banks that serve the customer".
When it became available again we returned.
Again and again we returned to countries such as Burma, Nepal, Zimbabwe and Romania.
In case a request occurs again, we immediately return the data from the cache instead of consulting the BMA.
I lost sight of land around 10 a.m. or so, and I won't see it again until we return to port in Papeete, Tahiti on April 3.
But then Ross changes his mind again, and we return, heavy hearted (in my case at least), to the mausoleum, with its po-faced high priests spouting their dismal gibberish: "First you will undergo the biomedical redaction …" Existence, as Vladimir Nabokov wrote in Speak, Memory, "is but a brief crack of light between two eternities of darkness".
