Cool MateEffectiveness 对比 Efficiency
在英语中何时使用每一个，包含含义、语域和例句。
Effectiveness
前 2000（常见）C1noun
Efficiency
前 2000（常见）C1noun
| Effectiveness | Efficiency | |
|---|---|---|
| 发音 | 🇬🇧 /["/ɪˈfektɪvnəs/","/ɪˌfekˈtɪvəti/"]/🇺🇸 /["/ɪˈfektɪvnəs/","/ɪˌfekˈtɪvəti/"]/ | 🇬🇧 /["/ɪˈfɪʃnsi/"]/🇺🇸 /["/ɪˈfɪʃnsi/"]/ |
| 含义 | How well something works or succeeds. | How well a task is done with the least waste of time and resources. |
| 例句 | to check the effectiveness of the security system | The efficiency of the new engine significantly reduces fuel consumption. |
| 语域 | 中性 | 中性 |
| 常见程度 | 前 2000（常见） | 前 2000（常见） |
| CEFR 等级 | C1 | C1 |
| 词性 | noun | noun |
| 搭配 | measure effectiveness, assess effectiveness, improve effectiveness, evaluate effectiveness | ruthless, great, high, achieve, maintain, demonstrate, drive, measures, benefits, with efficiency, efficiency in, ruthless, great, high, achieve, maintain, demonstrate, drive, measures, benefits, with efficiency, efficiency in |
| 反义 | ineffectiveness, failure | inefficiency, wastefulness, unproductiveness |
| 常见错误 | Confused with 'effect' — remember 'effect' is a noun meaning the result., Using 'effectiveness' when discussing personal feelings — it's more about objective results., Mispronouncing the word, often stressing the wrong syllable. | Confused with 'efficacy', which refers to the ability to produce a desired result., Using 'efficient' instead of 'efficiency' incorrectly in phrases., Overusing in casual conversation where simpler terms like 'speed' might suffice. |
| 用法说明 | Used in both formal and informal contexts, often in discussions of strategies, programs, or methods. Avoid using in overly casual conversations. | Use 'efficiency' in both formal and informal contexts when discussing productivity. Avoid using it in casual conversations that don't concern work or processes. |
常见问题：Effectiveness 对比 Efficiency
Effectiveness和Efficiency 有什么区别？
Effectiveness: How well something works or succeeds. Efficiency: How well a task is done with the least waste of time and resources.
Effectiveness和Efficiency 的 CEFR 等级相同吗？
在 CEFR 量表上：Effectiveness: C1, Efficiency: C1。
Effectiveness和Efficiency 是什么词性？
Effectiveness: noun, Efficiency: noun.
能各给一个例子吗？
Effectiveness: to check the effectiveness of the security system Efficiency: The efficiency of the new engine significantly reduces fuel consumption.
我可以互换使用 Effectiveness和Efficiency 吗？
不总是。Effectiveness和Efficiency 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。