"You can't determine the quality of ingredients once they are cooked, so you have to keep your eyes peeled before you start," points out Su Hui-ju, senior nutritionist at Kaohsiung Municipal Youchang Junior High School.
「食材一下鍋就看不出來品質如何了，因此下鍋前必須睜大眼睛，」高雄市右昌國中的資深營養師蘇慧如表示。