Most school districts do not test their water because of the costs associated with lead remediation, said Marc Edwards, a civil engineer at Virginia Tech.

在弗吉尼亚理工大学的土木工程师马克·爱德华兹说，大多数学区因为铅治理的费用而不检测他们的饮用水。

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These new tech improvements, and constantly lowering costs, are creating what amounts to the perfect storm for starting a freelance business.

这些新的科技进步以及成本的持续性降低，在很大程度上引起了这股自由职业的流行风潮。

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Manufacturers of small high-tech electronics goods, where freight costs account for a tiny fraction of the retail price, may not be that bothered about hedging freight rates.

小型高科技电子产品的制造商可能不需要为规避运价而烦恼，因为运价只占据其售价的一小部分。

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Cheap tech and shrinking transaction costs within supplier networks are two trends that outpace any large company's ability to adapt.

FORBES: Enjoy It Now, You 2000

Now its time has come, aided by the rise of the Internet and wireless tech and the plunging costs of transmission and storage.

FORBES: Whitacre's Way

The new security-industrial complex will grow, because we need it and because this economic juggernaut will take us down the now familiar tech curve of declining costs.

FORBES: The Security-Industrial Complex