These two phrase have the same meaning and emphasize that the doe leaves her young deer because she cannot provide for them. A doe is a female deer. Alternate translation: "the deer leaves her young in the field" (See: [[rc://en/ta/man/translate/figs-parallelism]])
This means that there is no grass for the deer to eat. Alternate translation: "for there is no grass for them to eat" (See: [[rc://en/ta/man/translate/figs-explicit]])