並前往https://books.google.com.tw/books?id=57bRCgAAQBAJ&pg=PT540&lpg=PT540&dq=rover+group&source=bl&ots=mTSpH62pNo&sig=ACfU3U1fSrFK6BMuV3b7sQJAVeWwQJzjvw&hl=zh-TW&sa=X&ved=2ahUKEwj6sPHeoYn3AhVoqFYBHVteBAMQ6AF6BAgrEAM