That's fantastic. What gave you the idea?

太棒了。你是怎么想到这个主意的？

It also helps them to understand the idea of fairness.

这也有助于他们理解公平的概念。

It's hard to tell who came up with the idea first.

很难说是谁最先提出这个想法的。

Modern people are used to the idea that cars cause pollution.

现代人习惯了汽车会造成污染的观念。

I love animals and I was excited about the idea of having a dog.

我爱动物，我对养狗的想法很兴奋。

And there was something else that didn't go with the idea of heaven in the least.

还有一些东西完全不符合天堂的概念。

So some people doubt whether the inventor came up with the idea himself or herself.

所以有些人怀疑发明者是否自己想出了这个主意。

The idea suddenly came to my mind.

这个想法突然出现在我的脑海中。

The idea of doomsday is frightening.

世界末日的想法让人感到恐惧。

The idea came from no other than him.

这个主意正是来自于他。