Indicates a reason or cause. It is generally perceived as softer and more polite than 'から', presenting the reason as an objective fact or situation rather than a subjective judgment. It is often used when making excuses, explanations, or gentle requests.
This word shows a reason for something. It sounds softer than 'kara'. You use it for polite explanations or requests.
The train was late, so I will be a little late for the meeting.
This area is quiet, so it's very easy to live in.
It was very cold yesterday, so I stayed home all day.
I don't have much experience, so this job might be a bit difficult.
"Why didn't you come?" "Because the traffic was really bad."
This is different from 'kara'. 'Node' shows a reason as a simple fact. It sounds softer. 'Kara' shows your own strong feelings. So, use 'node' for polite requests. Use 'kara' for strong orders.
Don't use this when you give a strong order. For example, don't say "寒いので、閉めろ" (It's cold, so close it!). The part after "ので" should be a natural result. It works well with polite requests. It also works with suggestions. Or simple statements. Strong orders or "don't do that" phrases sound strange. If you want to say you definitely plan to do something, use "から" instead.
Use this when you want to explain why you are doing something. It makes your words sound softer. It helps you be more polite.
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