に関する and に関して mean "about", "regarding", "related to", and they give the topic something concerns. Both follow a noun: に関する goes straight before another noun, and に関して goes before a verb or opens the sentence.
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Environmental problems are on the rise.
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Is there any information on this matter?
、。
Do you have any views on this problem?
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She said nothing about that matter.
に関する or に関して
The choice depends on what comes next. Before a noun, use に関する, or に関しての. Before a verb or a comma, use に関して.
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There will be an information session on studying abroad next week.
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I will explain about studying abroad.
に関しては and に関しても
after に関して makes the topic contrastive – "as for this, at least".
adds it to what came before.
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As for the cost, let's talk about it later.
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Safety needs checking as well.
に関して or について
means the same and is the everyday word. に関して sounds more formal, and it is the usual choice in news, reports, official documents and presentations.
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Let's talk about yesterday's game.
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Let me give you an explanation regarding this matter.
Lingaku