The phrase "a substantial part in" is correct and usable in written English.
It can be used to indicate significant involvement or contribution to a particular activity, event, or situation.
Example: "She played a substantial part in the success of the project, coordinating efforts among team members."
Alternatives: "a significant role in" or "a major contribution to".
He also played a substantial part in the appointment of his successor as chairman, Hugo Young.
But unconscious bias during evaluation should also be considered as potentially playing a substantial part in the discrepancy.
Mr. Blair has been under pressure at home and throughout Europe to demand that the United Nations be given a substantial part in rebuilding Iraq.
Wacky "frat pack" comedian Will Ferrell stars and British up-and-comer Chiwetel Ejiofor has the distinction of being the first black male actor to get a substantial part in an Allen film.
Recently he was in Halloween H20 and the expensive shark flop Deep Blue Sea and he now has a substantial part in Oliver Stone's American football epic Any Given Sunday.
He anticipated a recurrence of war between Japan and Russia and prepared a contingency plan for war with the United States and Russia, which eventually played a substantial part in the entry of Japan into World War II.
In sub-Saharan Africa, hypertension is increasingly affecting the urban population of which a substantial part lives in slums.
The Dutch society includes large numbers of people with non-Dutch ethnic backgrounds and a substantial part (35% in 2012) of the maltreatment reports concern families of non-Dutch origin.
See Merger Regulation 2004, supra note 1, Article 2(3), which states "concentration which would significantly impede effective competition, in the common market or in a substantial part of it, in particular as a result of the creation or strengthening of a dominant position, shall be declared incompatible with the common market". See also Geradin & Girgenson, supra note 5, at 10 11.
Although 69 studies cited its use, only 51 used it in either its entirety or a substantial part of it in assessing quality.
Since every phenotypic trait is somehow genetically controlled, it is logical to think that a substantial part of changes in phenotypes must be caused by changes in DNA molecules.
