經濟學家 ， 你哋可能有興趣知道 點解我嘅收入係可以預計 我知道嗰陣 ， 我自己都嚇咗一跳 因為我冇固定嘅客人 但我通常星期二賺 60 美金 星期五賺 90 美金
Economists, you may be interested in knowing why my income is predictable, I know that at that time, I was shocked because I didn't have regular customers, but I usually make $60 on Tuesdays and $90 on Fridays