並前往https://books.google.com.tw/books?id=KLLSEAAAQBAJ&pg=SA12-PA18&lpg=SA12-PA18&dq=FOCUS%E5%85%A8%E7%90%83%E6%96%B0%E8%81%9E+YouTube&source=bl&ots=U_xkxFq90Q&sig=ACfU3U3fBSRyDq4iYyFWkCWbwPvAW3CH8g&hl=zh-TW&sa=X&ved=2ahUKEwiSwu7BqJKBAxUhbWwGHX4nBRsQ6AF6BAgyEAM