Electric cars could cut greenhouse gas emissions if used properly.

如果使用恰当，电动汽车可以减少温室气体的排放。那么人们要怎么使用它们呢？

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In fact, agility and MDD — if used properly — are very compatible indeed.

事实上，敏捷性和MDD——如果恰当使用——是非常兼容的。

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If used properly, newsletters can be very effective tools for driving people to your site.

如果你利用的恰当，实时通讯会成为促使人们访问你的网站的一个很有效的手段。

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Education is an excellent tool, if used properly, but focus more on learning rather than getting good grades.

FORBES: Top of the Class Disses Education System

But "it's actually one of the better devices, if used properly, " he said.

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If used properly, credit is a good tool and can help you secure a home, car or school loan.

FORBES: Magazine Article