There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad. - Salvador Dali.

疯子和我只有一个区别。疯子认为他是理智的。我知道我疯了。

youdao

There is only one difference between an old man and a young one: the young man has a glorious future before him and the old one has a splendid future behind him.

老年人和青年人只有一个区别：年轻人有光芒绚烂的前景，老年人的辉煌曾经成为过去。

youdao

There is only one difference between an old man and a young one:the young man has a glorious future before him and old one has a splendid future behind him:and maybe that is where the rub is.

老人和年轻人之间只有一个区别：年轻人的前面有辉煌的未来，老年人灿烂的未来却已在它们身后。

youdao

As they note, there is really only one critical difference between the current, expensive model that excludes the majority of people who need this service and the for-profit model: a legal framework.

FORBES: Making Babies: Selling Embryos, Despite Ethical Concerns, Addresses Genuine Needs