You have to feed him formula, it's okay.

你得给他喂配方奶粉， 没关系。

She says research has proven that very small or sick babies who receive human donor milk have a higher survival rate than those who are fed only formula.

她说，研究已经证明，接受母乳喂养的非常小的婴儿或患病婴儿的存活率高于只吃配方奶粉的婴儿。