並前往https://books.google.com.tw/books?id=yE4zDwAAQBAJ&pg=PT19&lpg=PT19&dq=FOCUS+%E9%81%99%E6%8E%A7%E5%99%A8%E9%9B%BB%E6%B1%A0&source=bl&ots=WoozMd0umT&sig=ACfU3U3mlhpXLGbbenoG8lNJ3nB7yKJQYw&hl=zh-TW&sa=X&ved=2ahUKEwiT_I6TsNb9AhUXSDABHUUGBDgQ6AF6BQiFARAD