Another concern is that this week's resignations leave the Met short of leadership at a time when London faces a security challenge unlike any for decades.

另一个问题是本周的辞职使得伦敦警察厅在伦敦面临数十年未曾有过的安全挑战之时缺乏领导力量。

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The report also expresses concern that the United States is losing its leadership in sending young people to college.

该报告同时表达了美国在教育方面将要失去领导地位的担忧。

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Chief Executive Officer Steve Jobs's leave of absence spurred concern over the leadership of the world's second - biggest company.

全球第二大电脑企业苹果公司的首席执行官斯蒂芬·乔布斯(Steve Jobs)宣布因病休假，引发外界关注。

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"Our leadership in the area of arms control and non-proliferation is of such profound global concern that that is at the top of the list.

VOA: standard.2009.05.07

As with any technology startup, a major concern to Exchange leadership is to make sure that the system can handle the volume before trying to grow too fast.

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Is there concern about what the leadership structure will be like, what could potentially happen before the people of Egypt start voting in September?

WHITEHOUSE: Press Briefing

Our staffs are already talking about some things that you've been working on for a very long time, so we're grateful for your leadership and concern and focus.

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