原因用英语怎么说

原因用英语怎么说？

原因用英语可以表达为 "cause" 或 "reason".

它们的来源：

"Cause" 来自拉丁语 "causa"，本意为"为了...的原因"。

"Reason" 来自拉丁语 "rationem"，本意为"推理、思考、认识、道理"。

一些英文例句：

The cause of the fire is still unknown.
I can't come to the party because I have a good reason.
Can you give me a reason for your absence?
The reason why I didn't call you is because I lost your number.
The main reason for his success is his hard work.