a piece of paper on which a doctor writes the details of the medicine or drugs that someone needs

a doctor's prescription 医生的处方

a prescription for sedatives 镇静剂的处方

The doctor should give you a repeat prescription (= another piece of paper allowing more of the same medicine to be given, often without the person seeing the doctor again). 医生应该给你开个重复处方。

These drugs are only available on prescription (= with a prescription from a doctor). 这些药只能凭处方购买。

Prescription charges (= the standard amount of money you pay for any medicine prescribed by a doctor) are rising in June. 处方药费将在6月份上涨。

the act of telling someone else what they must have or do

So what is his prescription for success? 那么他认为成功的诀窍是什么？