A real Scheme programmer could probably point out an even more concise way to do this — I welcome comments in the discussion forum for this column.

真正的Scheme程序员可能会提出更简捷的方法，非常欢迎在本专栏的讨论论坛中提出建议。

youdao

I welcome comments and messages.

我欢迎大家评论与留言。

youdao

Welcome comments and Suggestions! Thank You!

欢迎提出宝贵意见！

youdao

Welcome comments and Suggestions! Thank You!

欢迎提出宝贵意见！

youdao