https://online2.tingclass.net/lesson/shi0529/0009/9907/587.mp3
https://image.tingclass.net/statics/js/2012
piece of cake 小菜一碟，輕而易舉的事
Math is just a piece of cake for me.
數(shù)學(xué)，對(duì)我而言，就是小菜一碟。
Don't worry. It's just a piece of cake.
別擔(dān)心，這只是小菜一碟。
