Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us.

请会签第156号销售合同一式两份中的一份，将它寄回我方存档。

youdao

In the work item editor's header area the Duplicate action creates a copy of the work item and connects them with a related link.

在工作物件编辑器的标题区域中，Duplicate操作创建工作物件的副本，并将它们与相关链接连接起来。

youdao

Finding duplicate code manually can be quite challenging in all but the most obvious copy-and-paste violations.

除了最明显的复制-粘贴违规之外，在所有地方手工查找重复代码也非常具有挑战性。

youdao

To make it less overwhelming, he suggests making sure the "retweets enabled" checkbox near the top is unchecked to eliminate duplicate tweets that occur as people interested in the fire copy updates to share with their own Twitter followers.

CNN: New app tracks Colorado wildfires