来龙去脉 (lái lóng qù mài): Ins and outs / the details — Meaning & Stroke Order

Before signing the agreement, we must clarify the ins and outs of the entire cooperation.

Can you tell me the complete details of this conflict from beginning to end?

We need to understand the ins and outs of this problem in order to find a solution.

He didn't understand the details of the project at all before rashly offering criticism.