Hidden channels are likely to continue to fill this gap so long as demand remains high, supply tight, and oversight lenient.

只要需求依然强劲、供应紧张、监管不严，隐藏的渠道可能就会继续填补空缺。

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The pillar of her economic policy was keeping tight control over money supply.

她的经济政策的核心就是严格控制货币供应。

《柯林斯英汉双解大词典》

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》

The lead-time associated with upside in the semiconductor world is huge, sometimes as long as 26 weeks (supply is tight right now so this rule is in effect and Apple had major supply problems with the iPhone 4 and iPad).

FORBES: Why Verizon Could Get The iPhone In January

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

FORBES: Magazine Article

When supply is tight, a small increase in demand can have a disproportionately large effect on price.

ECONOMIST: Commodity speculators do more good than harm