Because what's going on right now, we have shrimp draggers dragging for shrimp, catching a huge amount of bycatch, that bycatch in turn gets ground up and turned into shrimp food.
因为现在正在发生的是， 捕虾船开过来捕虾， 会捕到大量的副产品， 这些副产品会被磨碎， 变成虾的饲料。