The professionals tend to go for high-value goods in parts of the shops where security measures are tightest.

专业人士倾向于在商店安全措施最严密的地方购买高价商品。

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Many exporters operate on the tightest of margins.

许多出口商都在最低利润率基础上维持生产。

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The capacity-utilisation index, a measure of firms' slack, stands at 81.3%, the tightest since 2000.

一个对公司冗余的测量-公司容量利用指数，达到了81.3％，是2000年以来最为紧张的。

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And so, our engineering is about squeezing that tail down to the tightest tolerance possible.

FORBES: Painting With The High-Frequency Brush

On a Wednesday, the bottlenecks getting out of the suburbs and into the city are at their tightest.

FORBES: Technology Saves A Bad Planner

Yet behind the scenes, the founder of 4chan has run his original website on the tightest of budgets.

FORBES: How 4Chan's Chris Poole Runs His Web Giant On A Shoestring