求翻译：Then, less than a week before his mother's birthday, a man came to his office. He was carrying a cage with a large bird in it. "This bird," the man said, "can speak ten languages and sing any popular song. There's no other bird like it in the world. "With these words, he asked the bird to speak to John in French, tell him a joke in Japanese and sing a famous popular song. John was very happy.是什么意思？

待解决 悬赏分：1 - 离问题结束还有