youdao

A properly outfitted Linux server can emulate the hardware for a licensed copy of OpenVMS, at a far more modest cost than the one to keep a legacy host humming for just a few useful hours a year.

一个适当配置的Linux服务器能够仿真一台经许可的OpenVMS副本的硬件，和一年只用上几小时还嗡嗡叫的老古董相比，花费要少多了。

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The most useful item above was probably this 15 year old ultrasonic humidifier. It produces large amounts of real fog.

上述项目中最有用的或许是这个有着15年历史的超声波增湿器，它产生大量真正的水雾。

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The industry says useful gifts like pots and pans, toasters and tools were popular last year.

VOA: special.2010.11.26

Fronstin offers up a real life example of how useful contributing after the end of the year can be.

FORBES: Millions Of Americans Can Cut Their 2012 Tax Bills--And Don't Know It

However, the 23-year-old has contributed useful runs down the order, including 55 at Edgbaston to help put England in a strong position.

BBC: Form merited England call - Trott

Some of Mr. Yates's favorites included an annual tickseed (Coreopsis tinctoria), useful because it would flower in the first year.

WSJ: Meadows Instead of Lawns Are in Fashion in Residential Landscaping