なんと素晴らしい発明だろう。の英語

What a wonderful invention!

The invention was brought about by chance.

I wonder who invented it.

That's a very novel idea.

What a good idea!

What an amazing idea.

I wonder who invented it.

What a good idea! You are a wonder!

I think the emoticon is a splendid invention.

What a marvelous idea!

I wonder who invented it.

What do you think about his invention?

That's a novel view, isn't it.

That's an original idea.

I've got a splendid idea.

That's a brilliant idea.

That is a corking idea.

That's a great idea.

That's a splendid idea.

What a great idea that is!

That's a great idea.

What a wonderful idea!

What an absurd idea!

That is a good idea.

a neat idea

a brilliant idea

a splendid idea

That's a brilliant idea!

That's a splendid idea.

That's an excellent idea.