Deadlines should not be set only for the completionof the project, but for the various steps along the way as well.
不仅要设置完成项目的截止期限，而且要在每个不同步骤上都设置完成期限。
2
Since its fundamental completion in 1250, the cathedral has borne witness to many of the significant events of European history, as well as bearing the scars of its violent periods.
1250年基本竣工后，这座大教堂见证了欧洲历史上的许多重大事件，也在动荡时代留下了累累伤痕。
3
This will include regular exchanges of information about our threat assessments, as well as the completionof a joint assessment of emerging ballistic missiles.