出典:Wiktionary
according to the need
to meet a need
to meet the need―fill a need―minister to one's needs
絶対に必要なさま
It's necessary.
to urge (on one) the necessity of something―impress upon one the importance of something
meet a need
必要なだけ
「required」は動詞「require」の過去形、または過去分詞です