Swordfish in Ginger Soy

What is a marinade? It is a seasoned liquid or spice mix in which meats, fish  or vegetables are coated to add flavor or tenderize.   Acid breaks down protein to tenderize (the higher the acid content,  the quicker the protein will break down). Oil adds moisture. A combination of the two are often used.  Italian dressing is a great easy, grab it and go, marinade! Flavors are very often localized to a specific region. Caribbean = Jerk Marinade (fruits and spices and chilies). Asian = Teriyaki (soy sauce, sugar, ginger, sake...).  The limit is your own imagination. Use beer, wine, soda, [...]