The phrase "a collective expression" is correct and usable in written English.
It can be used to refer to a shared sentiment or idea that is expressed by a group of people.
Example: "The protest was a collective expression of the community's frustration with the local government."
Alternatives: "a shared sentiment" or "a unified statement".
In many ways it's a collective expression of what we as a nation value.
For this reason, squeamishness about swearing in the US is perceived by some as a collective expression of social unease.
"And for the late Senator Levy who gave us his name, it's been a collective expression of thanks for all he did for so many in the community and on Long Island".
In the words of the novelist Ian McEwan, edge.org is "open-minded, free-ranging, intellectually playful… an unadorned pleasure in curiosity, a collective expression of wonder at the living and inanimate world… an ongoing and thrilling colloquium".
Another variant could be a requirement in respect of proposed ground-breaking findings of violations for the court first to consult the other Council of Europe institutions and for the court to take a collective expression of opinion into account".
They are not distinguished by variety of style or mode of utterance, and so they seem almost like a chorus, a collective expression of the quest for meaning and identity in a bleak and chaotic, morally trackless world.
There was a huge collective expression of relief among military commanders – and in the Ministry of Defence – over today's supreme court ruling that the Human Rights Act does not protect British troops on the battlefield.
For the French, football is a form of collective expression".
Fall 2017's The Monument studio, led by visiting critics Emanuel Christ and Christoph Gantenbein, aims to design a contemporary version of a monument during a time when the collective expression of the public sphere or, more politically speaking, the value of democracy has been called into question.
These signatures generally consist of a set of tens to several hundred coding genes, for which a summary metric of their collective expression is associated with a known hallmark, and may help with defining therapeutic strategies5.
For the remaining 23 miRNA families conserved between Gossypium and other plants, there was a striking asymmetry in collective expression (fig. 4), with all but one (miR398) having higher expression in G. arboreum than in G. raimondii.
