他抹去了他曾到过那里的所有痕迹。

He removed all traces of having been there.

youdao

以前我曾到过那里。

I had been there before.

youdao

北京——这是一群蓬头垢面的流浪汉，他们来自四川省渠县乞丐收容所，但是他们没有从这个机构的创办人——养猪户曾令全那里得到过任何帮助。

BEIJING - the Quxian Beggars Shelter in Sichuan Province did not provide much in the way of succor to the bedraggled men who sought help from its founder, a pig farmer named Zeng Lingquan.

youdao