The phrase "a thing which we" is correct and usable in written English.
It can be used when referring to an object or concept that is shared or experienced by a group, often in a descriptive or explanatory context.
Example: "There is a thing which we all must consider before making our final decision."
Alternatives: "an item that we" or "a matter that we".
With us, music is still a thing which we may not give on Sundays for its own sake, and even under the cloak of charity it is confined by magisterial authority to a late and inconvenient hour.
In his essay "The Rif, to Music," Bowles writes of encountering a young official in Fez who said, "Why should I help you export a thing which we are trying to destroy?
"Money is a collective act of the imagination, and it's a thing which we have invested our credence in, and it works because we do that," says the writer John Lanchester, author of Whoops!
His first complaint is that it is "contradictory" insofar as it introduces "existence" into the "concept of a thing which we profess to be thinking solely in reference to its possibility" (A597/B625).
You know, the icon thing it's going to be a big thing which we're not talking about.
And the human body is a fickle thing, which we've learned in many clubbing horror stories shared with us over the last year.
"UberPool is an amazingly new thing, which we think could have amazing potential for London," said Bertram.
Martin's idea for that song was more of a Jack Johnson-type acoustic kind of thing, which we never really did because that was a song that the band already really had a strong arrangement on.
"When we are a conceding on average over two goals a game, that is the first thing which we have to stop and the players have to understand that.
At an absolute minimum UNICEF believes that there are a number of things which we, as adults, parents, community and religious leaders must assure.
For comedy to work – it needs to deal with topics we relate to on a daily basis, things which we interact with on some level so the jokes can resonate.
