cost-benefit

cost-benefit 的音标为 [kɔːst - biːnɪfɪk]，翻译为“成本收益分析”或“成本效益分析”。

速记技巧：可以将 cost-benefit 拆分为 cost（成本）和 benefit（收益）两个部分记忆，或者使用谐音记忆，如“刻薄捏鼻克”，帮助你快速记住 cost-benefit 的发音和含义。

Cost-benefit analysis（成本效益分析）这个词源于经济学，它的词源可以追溯到拉丁语“costatus”（意为“花费”）和“beneficium”（意为“利益”）。这个词在英语中通常被简称为CBA，用于评估一项决策或行动的成本和收益。

变化形式：在英语中，cost-benefit analysis的形式有时会被简化为“cost-benefit”，其中“cost”和“benefit”是名词形式。

相关单词：

1. Return on investment（投资回报）：这个词表示一项投资所带来的收益，与成本效益分析中的收益相对应。

2. Profit and loss statement（盈利和亏损报表）：这个词用于描述公司的财务状况，包括收入、成本和利润。

3. Benefit-cost ratio（收益成本比）：这个词用于衡量一项行动或决策的收益与成本之间的比例。

4. Net present value（净现值）：这个词用于评估一个项目在未来所能带来的总收益和总成本之间的差值，考虑了时间因素。

5. Benefit-cost trade-off（收益成本权衡）：这个词用于描述在多个选项之间进行权衡，考虑其成本和收益的平衡。

6. Cost-effectiveness（成本有效性）：这个词用于评估一项行动或决策在花费一定成本的情况下所能实现的效果。

7. Marginal cost（边际成本）：这个词用于描述额外增加一项行动或决策所带来的额外成本。

8. Marginal benefit（边际收益）：这个词用于描述额外增加一项行动或决策所带来的额外收益。

9. Benefit-cost analysis（收益成本分析）：这个词通常用于政策评估和环境影响评估，以确定政策或措施的成本和收益是否平衡。

10. Benefit-cost ratio curve（收益成本比率曲线）：这个词用于描述收益成本比随时间或数量的变化而变化的曲线，常用于评估长期投资决策。

常用短语：

1. cost-benefit analysis

2. weighing the pros and cons

3. gain more than you pay for

4. money well spent

5. worth the cost

6. no brainer

7. worth the effort

例句：

1. We need to conduct a cost-benefit analysis of this project to ensure that we get the most out of our resources.

2. The decision to invest in education is a no brainer; it"s always worth the effort.

3. Is it worth the cost to upgrade our technology? The answer depends on the potential benefits.

4. Money well spent on a vacation; it"s a great way to unwind.

5. Gaining knowledge is worth any cost; it"s a never-ending investment.

6. Weighing the pros and cons, it seems like investing in green energy is the right choice.

英文小作文：

When making a decision, we need to consider the cost and the benefits. Sometimes, the benefits outweigh the costs, and sometimes, they don"t. However, if we take a step back and weigh the pros and cons, we can make better decisions that are in line with our long-term goals. For example, investing in education is a cost-benefit decision that pays off in the long run. It"s worth the effort and the cost to improve our knowledge and skills, which can lead to better career opportunities and increased earning potential. On the other hand, spending money on things that don"t bring us long-term benefits can be a waste of resources. For instance, buying a lottery ticket may seem like a no brainer because of the potential jackpot, but if we don"t have a realistic chance of winning, it"s just a waste of money. Therefore, it"s important to carefully consider the cost-benefit ratio before making any decision that could have a significant impact on our lives.