after all; obviously, what was …; the thing(s) that …
→ 的
phraseCommon#4,524
after all; obviouslySentence-final construction used to present something as obvious or taken for granted, often with an explanatory or mildly insistent tone.
what was …; the thing(s) that …After a verb, 的 makes it refer to what was done or the thing(s) involved; sentence-final 嘛 adds an explanatory or emphatic tone.