Even when he's about to fly off with his family to live rough in the Masai Mara for a week, for Laurence, it's all about focus.

即使是在他要跟家人一起飞赴马赛玛拉过上一周的艰苦生活时，对于劳伦斯来说，这一切都与专注有关。

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The greenhorn lacked the skills he would need to live in the hard,rough country.

VOA: special.2010.05.23

Millions of children already live rough in towns and cities.

ECONOMIST: Africa's population

Mr Clegg received a rough ride from the 5 live listeners, many of whom were his constituents, who accused him of going back on his word over student tuition fees.

BBC: Nick Clegg rejects ?10bn welfare cuts

Sure, you can take a physical and have your doctor give you a rough assessment of how long you will live.

FORBES: Managing Your "Tail-End" Risk - Part 1: The Risk that You May Outlive Your Assets