这个按照一个规范来吧，PMBOK，你可以查到定义 ss ，sf,ff,fs
https://project-management.info/pdm-precedence-diagramming-method/

Start-to-Finish Relationship (SF)
This logical relationship requires that a predecessor activity must have started before the successor activity can be finished. In practice, this type of dependency does not occur very often which is also acknowledged by the PMBOK.



【 在 feng321 的大作中提到: 】
: 谢谢回复。3sf，有人举了一个员工交接班的例子。我的理解是，a员工离职这个任务finish，必须是在b员工接手工作这个任务start之后。你觉得应该谁是谁之后？
: :
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FROM 120.244.162.*