Next time an all-nighter leaves you with a headache, remember that the same principle also applies to medicines. Branded pain killers can be significantly more expensive than supermarket versions, which often sell for less than 1.
下次宿醉之后再頭痛,記得買藥也是一樣的道理。知名品牌的止痛藥會比超市賣的普通品牌貴很多。超市的品牌一般只賣不到一英鎊。
n. 原則,原理,主義,信念