The phrase "a clear dichotomy" is correct and usable in written English.
It can be used when discussing a distinct and unambiguous division between two opposing ideas, categories, or groups.
Example: "In the debate about climate change, there is often presented a clear dichotomy between those who advocate for immediate action and those who deny the urgency of the issue."
Alternatives: "a distinct division" or "a sharp contrast".
There is, however, a clear dichotomy between training secular clergy (e.g., bishops and priests) and training regular clergy (e.g., abbots and brothers).
Furthermore, there is a clear dichotomy between bovids that live in closed habitats (e.g., forest and bush) and those that live in open habitats (e.g., plains and mountains).
Therefore, there is a clear dichotomy in literature: micro- (biofilm) and macro- (reactor) scales.
Survey results indicated a clear dichotomy between positive research attitudes and negative research behaviors.
Although it is most certainly wrong to reckon with a clear dichotomy between the intellectual commitments and sentiments of 'Christians' and 'pagans' in late antiquity, it is striking that David's text gives us no firm indication that the author was indeed a Christian.
Particularly challenging to the early childhood service industry is the long-term cultural and industry-wide collective adversity to change initiatives in general and a clear dichotomy in human attitude and value or lack thereof placed on the progress that technology represents (Sheridan & Schuster, 2001; Shlay, Tran, Weinraug, & Harmon, 2005).
However, we did not see any clear dichotomy in the distribution of phosphene thresholds of the patients; indeed the spreads of distribution for the phosphene parameters were remarkably similar between controls and patients (Fig. 4).
"There's a very clear dichotomy between people interested in sporty, chunky designs and a smaller population returning to classic, understated elegance".
"Mainstream discussion on the issue fell into a very clear dichotomy that painted cultures that practised FGM as backwards or cruel.
Clinton painted Sanders as presenting a false choice, suggesting the clear dichotomy he described was born of foreign policy naivety.
Early studies suggested that anti-schistosome immune responses fell into a clear Th1/Th2 dichotomy with resistance to infection being associated with Th2 responses [5], [6], but mounting evidence shows this dichotomy cannot adequately explain the balance between susceptibility and resistance to infection [7], [8].
