並前往https://books.google.com.tw/books?id=mfS3GlTLAUMC&pg=PA76&lpg=PA76&dq=sign&source=bl&ots=QtTjODYcEu&sig=ACfU3U19F-2mI4iiGOM7E8Bl3Q61nesv0Q&hl=zh-TW&sa=X&ved=2ahUKEwjbh_PO9OP8AhV5klYBHYqbDfcQ6AF6BQjTAhAD