Job poses these rhetorical questions to emphasize that he has a reason to complain. These question can be written as statements. Alternate translation: "Just as the wild donkey does not bray in despair when he has grass and as the ox does not low in hunger when he has fodder, I would not complain if I did not have a reason" (See: [[rc://en/ta/man/jit/figs-rquestion]])