n.复制；重复
动词duplicate的现在分词形式.
I understand the wrong in duplicating and selling someone else's work. 我理解复制和贩卖别人作品是有错误之处的。
There's no point in duplicating work already done. 重复别人已经做过的工作毫无意义。
Duplicating gifts shows lack of thoughtfulness. 重复礼品表明缺乏体贴。
