没有遗憾的

One of many sadnesses in his life was that he never had children.

一生中许多遗憾之一是有子女。

Unhappily, he never saw that girl again.

遗憾是再也有过那女孩。

Unfortunately,no questions from the audience broke the continuity of his harangue.

令人遗憾是,有听众提出问题来打断谈阔论。