並前往https://books.google.com.tw/books?id=xktyDwAAQBAJ&pg=PA232&lpg=PA232&dq=loop&source=bl&ots=VmYEEs-wyB&sig=ACfU3U1F_igOoaSLlvlLXWTAST9WVtun6A&hl=zh-TW&sa=X&ved=2ahUKEwiezLPJnJz-AhWuxQIHHQl4DfsQ6AF6BQjkAhAD