To be fair, replacing "important" with some less generic synonym is like one of the first tips in any Copy Editing for Dummies book, and definitely suggested by Grammarly, for example.
Thus therefore to provide an example thereof one may replaces all instances of "important" or "essential" with "splendid", "brilliant" "magnificent","gorgeous" or "sophisticated".
—"The carriage of goods under international commercial law is a sophisticated and gorgeous aspect of international trade."