[Read like Ben the Economics Teacher]

So, why are milk cartons usually rectangular while soft drinks bottles are cylindrical?

How does Economics explain the requirement of wearing uniform at school?

Come to the school library and check out the book, “The Economic Naturalist - Why Economics Explains Almost Everything”.

There are many other Economics books, too.  Enjoy.

有冇諗過點解牛奶盒係方嘅，但汽水樽係圓圓哋嘅？

經濟學又點解釋學校要求大家著校服呢樣嘢呢？

嚟學校圖書館搵「牛奶可樂經濟學」，本書會答到你。

圖書館仲有好多經濟學嘅書㗎，快啲嚟啦。