have an effect on sth
The new law will have a significant effect on the economy.
新法律将对经济产生重大影响。
影响；作用；效应；特效；音效；音响效果；印象；感受
原因导致的结果或后果。
The result or outcome of a cause.
由先前现象引起的后续现象
a phenomenon that follows and is caused by some previous phenomenon
在脑海中留下的印象；产生的感觉。
Impression left on the mind; sensation produced.
外观,外表
an outward appearance
执行；实施；实现；运作。
Execution; performance; realization; operation.
印象(尤指人为或刻意营造的)
an impression (especially one that is artificial or contrived)
通过技术手段造成的幻觉(如“特效”)。
An illusion produced by technical means (as in "special effect")
乐器发声后对声音进行的改变或产生改变的装置。
An alteration, or device for producing an alteration, in sound after it has been produced by an instrument.
科学现象,通常以其发现者命名。
A scientific phenomenon, usually named after its discoverer.
两个变量之间的影响或因果关系。
An influence or causal association between two variables.
预期的结果；目的；意义；总体意图
Consequence intended; purpose; meaning; general intent; with to.
The effect of the new policy was immediate.
新政策的效果立竿见影。
用法提示：名词effect表示‘由先前现象引起的后续现象’，在此指政策带来的结果。
AI contextual example
The special effects in the movie were amazing.
电影里的特效令人惊叹。
用法提示：名词effects表示‘印象（尤指人为或刻意营造的）’，这里指人工制作的视觉效果。
AI contextual example
The room had a cozy effect with the soft lighting.
柔和的灯光让房间有一种温馨的感觉。
用法提示：名词effect表示‘外观，外表’，这里指灯光营造出的氛围。
AI contextual example
The new law will have a significant effect on the economy.
新法律将对经济产生重大影响。
常指法规或药物开始生效。
The medication usually takes effect within an hour.
药物通常在一小时内起效。
表示正在实行或实际上。
The policy has been in effect since last year.
该政策自去年起生效。
用于指代之前提到的内容。
He said something to that effect, but I don't recall the exact words.
他大致说了那个意思，但我不记得确切措辞。
result 是最通用的同义词，可互换，但 result 更强调最终状态，effect 强调因果关系。
outcome 侧重事情发展的最终结果，与 effect 相比更常见于计划或过程的结局。
consequence 常指负面或逻辑上的结果，语气比 effect 强烈，且多用于不良影响。
impact 强调强烈或显著的影响，常与 effect 互换，但 impact 更突出冲击力。
repercussion 指间接、迟发或广泛的影响，通常带有负面含义，不如 effect 中性。
grammar · medium
易错句子The new policy had positive effect on the economy.
正确表达The new policy had a positive effect on the economy.
中文学习者常遗漏可数名词前的冠词 'a'，因为汉语中没有冠词。这里 'effect' 作单数可数名词，前面需要不定冠词 'a'。
grammar · medium
易错句子The effect to the environment is significant.
正确表达The effect on the environment is significant.
'effect' 后接介词应使用 'on' 表示“对...的影响”，而中文学习者受母语影响容易误用为 'to'。
指作为结果、后果的“effect”的反义词，即起因
affect 是动词，effect 是名词；effect 作名词时表示结果或影响，而 affect 作动词表示产生影响的行为。
impact 常用于形容强烈或具体的影响，而 effect 更通用。impact 可作为动词或名词，effect 作名词时指结果或效果。
influence 侧重间接、潜移默化的影响，effect 侧重直接的结果或效果。influence 可用作名词或动词，effect 作名词时指因果中的结果。
副作用
The drug has some unpleasant side effects.
这种药有一些令人不快的副作用。
因果
The study examines the cause and effect relationship between smoking and lung cancer.
这项研究考察了吸烟与肺癌之间的因果关系。
对...有影响
Stress can have a negative effect on your health.
压力会对你的健康产生负面影响。
生效
The new law will take effect next month.
新法律将于下月生效。
实际上；生效
The ban is still in effect.
禁令仍然有效。
实施
The company plans to put the new policy into effect immediately.
公司计划立即实施新政策。
ef- (前缀) + fect (词根) (后缀: 无)
af- (前缀) + fect (词根)
in- (前缀) + fect (词根)
per- (前缀) + fect (词根)
实际上；生效
The new law is in effect as of January 1st.
新法律自1月1日起生效。
生效；起作用
The medicine will take effect in about 30 minutes.
药物大约30分钟后生效。
实施；实行
The company put the new policy into effect last month.
公司上个月实施了新政策。
蝴蝶效应
A popular concept from chaos theory, often referenced in movies and literature to illustrate small causes leading to large effects.
来自混沌理论的流行概念，常被电影和文学引用，说明微小的原因导致巨大的影响。
安慰剂效应
A well-known psychological phenomenon where a patient experiences real improvement due to belief in a treatment, not the treatment itself.
一种众所周知的心理现象，患者因对治疗的信念而产生实际改善，而非治疗本身。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.