expression
by doing; through; by means of
Expresses the means or method by which something is achieved; often follows a verb in dictionary form or a noun.
See also: 事による
毎日練習することによって、上手になった。
I improved by practicing every day.
オンラインで学ぶことによって、地方からでも授業を受けられる。
By studying online, students can take classes even from rural areas.