たぶん => Maybe... N4
Speculation
たぶん => perhaps; probably N4
~このぶんでは => as affairs stand; judging from the present situation; as things are now N1
Trend
~ぶんには => If it's just within range...then N1
Scope
~ぶんには(~分には) => as long as ~ N1
~ぶん (だけ) => in proportion to; just as much as N1
Related, corresponding
中 => While (Lasting) N3
Continuous
途中で/途中に => on the way; in the middle of ~ N4
中 => During the period (Term) N3
Time
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
ぶり => style; manner; way​ N1
もの/もん/んだもの/んだもん => because; indicates reason/ excuse/ dissatisfaction N3