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affect和effect的區別，你大概已經學習過許多了。但是，你是否聽說過"affected "和"effected "的區別呢？

“affected”和“effected”的區別是什么呢？在英語中，這是兩個非常容易讓人混淆的詞。這兩個詞語分別適用于什么情況，而它們之間的區別又是什么呢？

Affected

Affected is the past tense form of the verb affect, which means to have an impact on something. If you have affected some change on a system, it means that you have been able to change the system at least a little bit.

Affected是動詞affect（影響）的過去時態，表示對某事產生影響。如果你在某個系統上影響了某些改變，那意味著你至少能夠輕微地更改這個系統。

Examples:例子：

The election of the new president affected the country’s relationships with many different foreign countries and international organizations.新總統的選舉影響了這個國家與其他許多國家以及國際組織之間的關系。

That collapse of the housing market in the United States in 2008 affected the entire global economy and led to a worldwide economic downturn.2008年美國房產市場的崩潰影響了全球的經濟，導致了世界范圍的經濟倒退。

The decisions that I made in college have not affected the rest of my life as much as I thought that they would at the time that I made them.我在大學期間做出的決定并沒有如我做決定之時所想象的那樣，對我的余生產生巨大的影響。

Effected

Effected is the past tense form of the verb effect. Effect can be used as a noun, but in the past tense form, it resembles the verb. To effect change means to execute, produce, or bring about change.

Effected是動詞effect（產生）的過去時態。Effect可以作為一個名詞使用，但是在它的過去形式之中，它是一個動詞。產生變化，意味著去執行，產生或者帶來某些變化。

Using the verb effected instead of affected almost always means that you have changed something, such as a law, judicial ruling, a cultural norm, or something else. If you merely made an impact on something, you should use affected.使用動詞effected而不是affected，通常是你已經改變了某件事情，比如法律，司法裁決，文化規范或者其他的東西。如果你只是對某件事產生了影響，你應該使用affected。

Examples:例子：

The new emperor effected the changes that he had been talking about his whole life. 這個新的君主做出了他這一生都在談論的改變。

Contrary to the expectations of most people, the television show that focused on political satire effected significant change in the country"s laws.與大多數人的期望相反，這檔聚焦政治諷刺的電視節目影對國家法律產生了重大的改變。

In the period of a couple months right after a tragedy occurs, government leaders have effected a lot of change because people are emotional and are more willing to take measures to prevent something like that from happening again.悲劇發生后幾個月的時間里，由于人民的情緒激動，更愿意采取措施來防止類似事件的再次發生，政府領導人做出了一些改變。

如何選擇affected和effected的小竅門

If something already exists, it is usually affected, or influenced by something else. If it does not yet exist, like a new system that needs to be put into place, it is usually effected, or implemented.如果某件事情已經存在了，通常是用“affected”或者“influenced”表示被影響到。如果尚未存在，比如一個需要建立的新系統，通常使用“effected”或者“implemented”，表示實現。