並前往https://quizlet.com/306642248/ch2-2_%E7%B4%B0%E8%83%9E%E7%9A%84%E6%A7%8B%E9%80%A0-%E5%8B%95%E6%A4%8D%E7%89%A9%E7%B4%B0%E8%83%9E%E7%9A%84%E5%85%B1%E6%9C%89%E6%A7%8B%E9%80%A0-diagram/