並前往https://books.google.com.tw/books?id=2PqhEAAAQBAJ&pg=PP53&lpg=PP53&dq=g20&source=bl&ots=3bP-KEaG4a&sig=ACfU3U0TAU5ZSYktptG2UZh7oBBVJMpwXw&hl=zh-TW&sa=X&ved=2ahUKEwiayOHZrsf9AhXXR_EDHcKrAtAQ6AF6BQjbAhAD