Knocking at the study-door, Sebastian said, when he had entered: "A boy is here who wants to see Miss Clara."

塞巴斯蒂安敲敲书房的门，进去后说：“这儿有个男孩要见克拉拉小姐。”

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The door to knowledge is study.

通向知识的门径是学习。

《新英汉大辞典》

Kirn said the study opens the door to retest existing genetic or protein treatments that had previously been limited to patients with localized tumors.

Kirn说，基因和蛋白疗法之前仅限于局部使用，而此项研究则开启了对其进行重新评估的大门。

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Mr Blair himself works from a sofa in a cosy study next door, which would be rejected as too small by the personal assistant to any corporate big hitter, let alone by the boss himself.

ECONOMIST: Size isn��t everything | The

However, to achieve this goal the NCS planners made a decision to randomly select neighborhoods within each county and to have study personnel go door-to-door to recruit women who were pregnant or planning to become pregnant, much as census workers do to reach under-represented groups.

FORBES: What Caused A Billion Dollar Federal Study Of Child Health To Implode?

According to the study, the revolving door has not resulted in enforcement leniency.

FORBES: Victory for SEC's Revolving Door