なくて済む/ないで済む => get by without doing ~ N2
を[経「へ」]て => After A N1
Time, Situation
を通じて/を通して => through; via; throughout; by ~ N2
~をたて(~を経て)      => through; after; via N1
も同然 => just like; same as ~ N2
ずに済む => get by without doing ~ N2
て済む => sufficient by; no problem to; resolve by ~ N3
一通り => Basically, (get) over, done N2
Base, base
と同時に => at the same time as; while; simultaneously ~ N2
通す => to do until the end; to continually do; through ~ N3
~もどうぜんだ(~も同然だ)      => just like; same as ~ N1
[通「とお」]り/[通「とお」]り => In the way A; The same as A, B; As described by A, B N2
Miscellaneous