As the name would suggest, these are parts whose substance are oriented around the concept of a service.

顾名思义，这些部件的本质是面向服务的概念。

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One instance that stuck with us is an anecdote related by Lance Armstrong in which his personal physician, Dr. Michael Ferrari (awesome name), described the effects of sleep as a foreign substance.

他的私人医生迈克尔.法拉利医生（好棒的名字），把睡眠的效果比作奇物。

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What's the name of the author who wrote "A Woman of Substance"?

写《富有的女人》的作者叫什么名字来着？

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Carraguard is the proprietary name of a substance made from carrageenan, a carbohydrate gel derived from seaweeds that is widely used as a stabiliser in the food industry.

ECONOMIST: HIV microbicides

The test uses a chemical called florbetapir, known by the brand name Amyvid, which is a radioactive agent that tags clumps of a sticky substance called an amyloid.

WSJ: FDA Approves Alzheimer's Test Developed by Eli Lilly