If you describe actions, events, or changes as far-reaching, you mean that they have a very great influence and affect a great number of things.
例句
The economy is in danger of collapse unless far-reaching reforms are implemented.如果不實施影響深遠的改革，經濟就面臨崩潰的危險。
英漢詞典釋義
adj.
深遠的;廣泛的
far-reaching effects深遠的影響The practice had far-reaching environmental consequences.這種做法對環境造成了深遠的影響。The research has far-reaching implications for medicine as a whole.這項研究對整個醫學界都有著深遠的影響。
英英詞典釋義
Adjective
1. having broad range or effect;
"had extensive press coverage""far-reaching changes in the social structure""sweeping reforms"