顾老师英语课堂
基本释义：导致某事发生或存在的因素
词源：源自拉丁语"ratio"（计算，推理）
指合乎逻辑的解释或正当理由
指直接导致结果产生的因素
指影响结果的多个因素之一
这三个词都表示"原因"，但侧重点不同：reason强调解释性，cause强调直接性，factor强调多因性。
Give me a reason to believe you.
The cause of the fire is unknown.
Several factors contributed to the problem.
给我一个相信你的理由。
火灾的原因尚不清楚。
多个因素导致了这个问题。
瑞-zen（长音"瑞"）
考-兹（长音"考"）
表示解释性原因
表示直接原因
表示影响因素
The reason of his absence... (错误)
正确：The reason for his absence...
What's the factor of the accident? (错误)
正确：What's the cause of the accident?
1. There are many reasons for success.
2. This is the direct cause of the accident.
3. Economy is an important factor.
• The main reason for the delay was bad weather.
• Poor diet is a leading cause of heart disease.
• Time was a critical factor in our decision.
1. What's the reason for your lateness?
2. Stress is a major cause of heart attacks.
3. The reason for climate change is complex.