expression, noun
Used to state a general tendency or typical situation. More formal than たいてい or ふつう.
多くの場合、朝食はパンとコーヒーです。
In many cases, my breakfast is bread and coffee.
この病気は多くの場合、自然に治ります。
In many cases, this illness heals naturally.
Compound of 多く (many) + の (possessive particle) + 場合 (case, situation). The phrase is transparent and follows regular Japanese grammar.