“我不知道，”格拉夫说。
"I don't know," said Graff very simply.
“我不知道，”格拉夫的回答很简单。
Graff laser-marks his most expensive stones.
格拉夫在他最昂贵的珠宝上都做了镭射标记。
It was Colonel Graff and Sister Carlotta at the door.
格拉夫上校和卡萝塔修女站在门前。
The signal came. Graff and Sister Carlotta led the way, still a brisk walk.
信号来了，格拉夫和卡萝塔修女带路，依然步履匆忙。
"That's why we won't go into any details," said Graff. "I'll tell you only this much."
“所以我们不能讨论细节，”格拉夫说，“我只能告诉你这么多。”
But when Bean and his family got up to greet them, Graff held up a hand to stop them and Carlotta put her finger to her lips.
比恩一家人正打算起身问候时，格拉夫上校举起一只手制止了他们，卡萝塔修女则把手指竖在嘴上。
Gharib and Graff set themselves the task of raising a 4.5-meter stone column from horizontal to vertical, using no source of energy except the wind.
加里卜与格拉芙制定了一项任务：仅利用风能，将一个水平放置的4.5米高石柱提至与地面垂直。
"From worms to mammals, this gene controls fat formation," said Jonathan Graff, a developmental biologist at the University of Texas, Southwestern, who led the study.
研究负责人、得克萨斯大学发育生物学家JonathanGraff称，“从蠕虫到哺乳动物，这种基因控制脂肪形成。”
Laurence Graff, 71, the rags-to-riches owner of the most exclusive global jewellery chain, is the "king of diamonds", buying exclusive stones competitors cannot afford.
71岁的劳伦斯·格拉夫(Laurence Graff)曾白手起家，现在拥有了全球最高档的珠宝连锁店，被喻为“钻石大王”的他所购买的珠宝是同类竞争者所买不起的。
Mother was all for demanding to know the real plan but again, Graff cut off all discussion with a cheerful bellow of, "Let's wait to discuss this until we can do it without Shouting!"
母亲决心问清楚真正计划，不过格拉夫再次愉快地大声打断她，“等我们不用大喊大叫的时候再讨论好吗？”
Mother was all for demanding to know the real plan but again, Graff cut off all discussion with a cheerful bellow of, "Let's wait to discuss this until we can do it without Shouting!"
母亲决心问清楚真正计划，不过格拉夫再次愉快地大声打断她，“等我们不用大喊大叫的时候再讨论好吗？”
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