"A marvelous idea," said a woman's voice from the door to the street.
I think encouraging two such diverse age groups is a marvelous idea.
Doesn't make any sense to me (which may mean the carriers see it as a marvelous idea).
That was when the marvelous idea occurred to me.
"That's the most marvelous idea you've had all day," the said.
A marvelous idea came across his mind and made him decide to break through the tradition.
She'd never thought about this before, but right now, at this moment, it seemed like a marvelous idea.
Then she took my arm and said: "I have the most marvelous idea.
What marvelous ideas they had for him, back on Earth!
'He has a marvelous idea for his next novel 'You mean, they're going to let him do another?