对于初学者来说，五首歌是个不错的数字。

For starters, five songs is a good number.

youdao

这是一个极不错的数字，还没有到衍射的极限。

This is an excellent figure, not that far from diffraction limited.

youdao

这些数字理论上看来可能不错，但对岛民们却起不到安慰的作用。

These figures may look good on paper but are cold comfort to the islanders themselves.

《柯林斯英汉双解大词典》

I know you'd like to give me other things, other expression, somebody give me a number.

表达式什么的，谁给我一个数字？,没有么？谢谢！很不错的数字。

麻省理工公开课 - 计算机科学及编程导论课程节选