求翻译：This Is Your Life' is one of the most popular programmes on British and American television. Every week a famous person is invited to a television studio, without knowing that he or she will be the subject of the programme. The compère meets the person outside the studio and says 'This is your life!' The person then meets friends and relatives from his or her past and present. Studio 4 is where the programme is recorded. The programme begins at eight o'clock. It's 6:45 now and the director is checking the preparations with his new production assistant (PA). The subject of tonight's show will be an actor, Jason Douglas. The compère, as usual, will be Terry Donovan.是什么意思？

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