1
substantially + verb
The new policy substantially improved the situation.
新政策大大改善了情况。
实质地；大体上
先理解核心含义，再看它在真实句子里的用法。
实质地；大体上
in a way that is large in amount, value, or importance; essentially
The new policy substantially improved the situation.
新政策大大改善了情况。
以强烈或实质性的方式；相当大地
In a strong or substantial manner; considerably.
在很大程度上；本质上
To a great extent; in essence; essentially.
没有实质性限制
Without material qualifications.
The new policy has substantially reduced our operating costs.
新政策实质上降低了我们的运营成本。
The two theories are substantially different in their assumptions.
这两种理论在假设上本质上不同。
The final agreement was substantially the same as the initial proposal.
最终协议与最初的提案本质上相同。
The new policy substantially improved the situation.
新政策大大改善了情况。
The second edition is substantially larger than the first.
第二版比第一版大得多。
Safety procedures have been substantially revised.
安全程序已进行了实质性修订。
Not this
The cost was substantial reduced.
Use this
The cost was substantially reduced.
substantial是形容词，不能修饰动词reduced，应改用副词substantially来修饰动词。
Not this
This is a substantially problem.
Use this
This is a substantial problem.
substantially是副词，不能修饰名词problem，应改用形容词substantial来修饰名词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
大幅减少
The new policy will substantially reduce pollution.
新政策将大幅减少污染。
大不相同
The two proposals are substantially different in their approach.
这两个提案在方法上大不相同。
大幅改善
Regular exercise can substantially improve your health.
定期锻炼可以大幅改善你的健康。
做出重大贡献
Her research substantially contributed to the field of medicine.
她的研究对医学领域做出了重大贡献。
高得多
The cost of living in the city is substantially higher than in rural areas.
城市的生活成本比农村地区高得多。
Use substantially naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆：sub（在下面）+stant（站）+ially → 站在下面支撑，即实质上、大体上。
通常用于正式场合，表示程度很大或本质上。
副词，常置于动词之前或句首，表示程度高。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.