Idiom Magic﹕歸根結底 It (all) boils down to (sth)

【明報專訊】"Tonight's soup is made from a secret recipe," the cook said, "but it's extremely nutritious (極有營養). It's composed of vegetables, a little seasoning (調味品), some delicious meat, and I cooked the whole thing for three hours." "It all boils down to my getting very little soup, though," Felix frowned. The cook laughed, for it (all) boils down to (something) indicates a summation. It's a way of saying "in the end", or "the final result". "There are no shortcuts to learning. It all boils down to study and lots of hard work."