"菜花飘落在哪里"istheprevioussentenceof"飞入菜花无处寻".Thephrase"飞入菜花无处寻"canbelooselytranslatedas"thecauliflowerflewinandcouldn'tbefound."Thissentencedescribesasituationwherethecauliflowerhasflownawayordisappeared
"菜花飘落在哪里" is the previous sentence of "飞入菜花无处寻".
The phrase "飞入菜花无处寻" can be loosely translated as "the cauliflower flew in and couldn't be found." This sentence describes a situation where the cauliflower has flown away or disappeared, and cannot be located.