The phrase "a relation that needs" is correct and usable in written English.
It can be used when discussing a connection or association that requires something, such as attention, improvement, or action.
Example: "In our analysis, we found a relation that needs further investigation to understand its implications."
Alternatives: "a connection that requires" or "an association that needs".
But grasping here is just a metaphor for a cognitive relation that needs to be explicated.
The perception study analysis underlines that trust is a social relation that needs to be performed.
As for the Biological Criterion, it seems most plausible, in light of fission, to adopt an extreme version of the IDM stance, maintaining (as does Olson 1997, as noted earlier) that our numerical identity just doesn't ground our practical concerns at all (which are instead a function of a "same person relation" that need not adhere to the demands of a strict numerical identity relation).
It aims at targeting the multifaceted area of research devoted to the complex relation between environment and sound, a relation that still needs to be investigated.
Given this assumption, there must be a relation that 'ties' them together to a's being F. If the required 'tie' is a genuine relation, a regress, usually called Bradley's regress, ensues: we need to introduce another relation that ties the first relation to a and being F, and so on.
The inattention of the revolutionaries to the relations that needed to be comprised in a modern government, especially in connexion with liberty, was matched by the inappropriateness to a sovereign regime of structuring its institutions around equality rather than around effective command.
Beyond Rwandan soap operas, there are wider cracks in international media relations that need to be bridged.
Issues such as rapid staff turnover, political conflicts, the lack of staff motivation and position insecurity, misperception and ineffective leadership were pointed to as factors that limit the long-term inter-institutional relations that need to be addressed.
But others described it as a masterstroke in public relations on behalf of a city that needs all the friends it can get in Washington.
Trustworthiness is a feature of human relations that "is needed precisely when and because we lack certainty about others' future action: it is redundant when action or outcomes are guaranteed" (O'Neill 2002: 13).
