So if you want to understand the action of drugs, you want to understand how they're acting in the ways you want them to, and also in the ways you don't want them to.
Jika anda ingin memahami tindakan ubat-ubatan, anda perlu memahami bagaimana ia bertindak mengikut kehendak anda, dan tidak mengikut kehendak anda, anda perlu memahami bagaimana ia bertindak mengikut kehendak anda, dan tidak mengikut kehendak anda,