In a tight labour market, demand by employers exceeds the available supply of workers.

在劳动力走俏的市场上，雇主的需求超过工人的供应。

《柯林斯英汉双解大词典》

Iron ore prices have risen substantially over the last few years amid tight supplies because of strong demand from China.

过去几年，由于中国的强劲需求导致市场供应吃紧，铁矿石价格大幅上涨。

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The result was a tight cap on the price, regardless of demand.

无论需求怎样，价格都不会超过这一商定的上限。

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In times of high demand, That could mean doubling the fare or more during times of tight demand.

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Fundamentals are the driving factor this time: supply is tight and demand is growing.

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Such fears have prompted rich countries to demand tight restrictions on this sort of compulsory licensing.

ECONOMIST: Patently troublesome