[事「こと」]だ => A is necessary/good (offering advice/suggestion) N3
Needs, Requirement
事と次第によって => Depending on the progress of the situation N2
How to say the beginning
[事「こと」]ができる => Be able to A; can do A, Can A; be possible to A; N4
Causative, Passive, Volitional
は~で有名 => famous for ~ N3
…のも無理 (は) ない => It's natural for... N3
Evaluate
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
のも無理もない => (to be) natural,(to be) understandable N3
Evaluate
~ないでいる/~ずにいる => ~Still not... N1
Invariant
あるいは~あるいは~ => or, either N3
Line up, list
ている => Repeat N5
Continuous
ている => Being... (past) N4
ている => Doing something... N5
Status