سلسلة تعلّم العامّية الامريكيّة والمصطلحات الإنجليزيّة

The ins and outs

كُلّ صَغِيرَة وكَبِيرَة: كُلّ الدَّقَائِق والتَّفَاصِيل.

The detailed or complex aspects of a subject; all the intricate details and facts about something.

Before making a decision, it's important to understand the ins and outs of the proposed project.