並前往https://books.google.com.tw/books?id=QSZ-EAAAQBAJ&pg=PA31&lpg=PA31&dq=FOCUS+%E9%81%99%E6%8E%A7%E5%99%A8%E9%9B%BB%E6%B1%A0&source=bl&ots=LXn_jN9R6A&sig=ACfU3U2Ycz__CwWVqND0azDEM1d4q7UGvQ&hl=zh-TW&sa=X&ved=2ahUKEwiT_I6TsNb9AhUXSDABHUUGBDgQ6AF6BQiJARAD