What's the Chinese for “you can say that again”?

你说的很对

Means "You are wright!"
意思是:你说对了.

你说得太对了

我同意你的看法。

What's the Chinese for “you can say that again”?
这句话的中文意思是什么“你再说一次”？
Nothing is dearer to a man than a friend in need.
没有什么比一个朋友的需要更加贵重（/昂贵）
Oh, you can say that again.
噢，你能再说一遍