A ‘great’ butler can only be, surely, one who can point to his years of service and say that he has applied his talents to serving a great gentleman---and through the latter, to serving humanity.
当然，一个“伟大”的管家只能是这样一个人:他能指出自己多年来的服务经验，并说他把自己的才能用于服务一位伟大的绅士——通过后者，还能服务于人类。