fine line

There is a fine line between useful feedback and criticism that discourages new staff.

有益的反馈与打击新员工积极性的批评之间只有微妙的界限。

Because it's a fine line to walk depending on the type of application you're developing and, you know, with the agents that you're you're putting loose in the world.

因为根据你开发的应用类型，以及你放到现实世界中的智能体，这是一条需要小心把握的微妙界限。