If one does not observe him for a long time, it is hard to realize how much he really gets done. "Premier Yu has an image of being rather serious.
「他做的比說的好」，另一位新聞人員說，不過，俞院長平時予人的感覺嚴肅了些，在今年六月立法院會議上，山地籍立委林天生穿著傳統服飾，又唱又說地在台上質詢時，才第一次看到俞院長笑得那麼開懷。