用什么公式可以算出下期和值简介：The harmonious singing skills were as flawless as the original singer. If I didn't have a little sense in my heart, I would have doubted whether it was the original singer behind the stage.
The harmonious singing skills were as flawless as the original singer. If I didn't have a little sense in my heart, I would have doubted whether it was the original singer behind the stage.
