"To" and "From" replace a letter's inside address and signature block, for example.

比如，信件上用“致”和“ 来自” 代替了地址和签名部分。

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Before we could replace the power supply, we would have to remove from the telescope a handrail fixed with four screws.

在更换电源之前，我们必须从望远镜上取下一个用四个螺丝固定的扶手。

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Michigan's dominance in auto research and development is under attack from several states and countries which desire to replace our leadership in transportation.

密歇根州在汽车研发方面的主导地位受到几个州和国家的威胁，这些州和国家希望取代我们在交通领域的领导地位。

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Gardere ordered new casks from Europe to replace those damaged by the earthquake.

VOA: standard.2010.06.01

Dialysis - and this is a method to replace or augment the function of your kidneys, to remove waste products really from the blood, which is something the kidney does continuously.

透析技术,这种技术用来替代,或者增强肾脏功能,以去除血液中的各种废物,就像肾脏持续进行的那样

耶鲁公开课 - 生物医学工程探索课程节选

But if he was to replace from within, British and Irish Lions tourist Powell has already done the job when Rush missed the start of last season through shoulder surgery.

BBC: Andy Powell can fill void left by Xavier Rush - Young

Ultimately, the biggest threat to Akamai may come not from the billion-dollar behemoths that its technology aims to replace but from tiny startups that seek to replace Akamai.

FORBES: Magazine Article

"Oil companies need to drill many more wells to replace production from aging, giant fields, " says Honeybourne.

FORBES: First Reserve Bets On Abbot