मानोना माखासे आबुनि गायखेरनि बांसिन गोब्राब मुवाफोरा दिहुननो जोबोर गोब्राब आरो माखासे दासिमबो सिनायजाबोवाखै ।
Because some of breast milk's more complex substances are too difficult to manufacture and some have not yet been identified .