那套书已残缺不全。

That set of books is no longer complete.

《新英汉大辞典》

这套书现在仍能买到，但它们已经魅力不再。

The books are still available, but their charm is now of the vintage variety.

youdao

是我小时候最喜欢的一套书，颜色非常欢快。

It was one of my favorite series of books when I was small and the colors are so cheerful.

youdao