並前往https://no21.ntpu.org/category/required-optional/%E5%85%AC%E5%85%B1%E4%BA%8B%E5%8B%99%E5%AD%B8%E9%99%A2/%E9%80%B2%E4%BF%AE%E5%85%AC%E5%85%B1%E8%A1%8C%E6%94%BF%E6%9A%A8%E6%94%BF%E7%AD%96%E5%AD%B8%E7%B3%BB