Young doctor: Well, dad, now that I'm hanging out my shingle, can you give me some rules for success?

Father: Always write your prescriptions illegibly and your bills very plainly.

成功法則

年輕的醫(yī)生：哦，爸，現在我掛牌開診了，你能給我些成功法則嗎？

父親：把藥方寫得難以辨認，而賬單卻清清楚楚。