[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
にひきかえ => In contrast to A N1
Comparison/ Exchange
より => More… than… N4
Comparisons
よ => Indicates certainty or emphasis N5
Particles
によらず => Regardless of A N1
Based/focused/depending on
ようだ => Looks as if A N4
Situations and Experiences
ようだ => Looks as if A N3
Adjectival, Description
というより => Rather than A N3
Comparison, Exchange
かのようだ => It's as if A N2
Adjectival, Descriptions
にしろ/にせよ/にもせよ => Regardless of if it's A or B, Even in the case of A N2
Based, Focused, Depending on
ようになる/なくなる => Become… N3
Time, Situation
よう => The way that A, the condition of A N1
Adjectival, Descriptions