有用

10C -- dime: The smallest coin, but one of the most useful

10C--10美分硬币：最小的硬币，但是最有用的一种。

He said he'd love a trip on a luxury liner because he was always a good sailor.

如果能出一些在现在的生活中比较常用和有用的句子，那就更好了。

And you will find that it may be a useful tool after you graduate from school.

和你会发现，它可能是一个有用的工具后，您从学校毕业。

Data mining, known as Knowledge Discovery in Databases, is defined as the nontrivial extraction of implicit, previously unknown, and potentially useful information from a great volume of data accumulations. It uses machine learning, statistical and visualization techniques to discover and present knowledge in a form being easily comprehensible to humans. Data mining is an advanced data processing technique.

数据挖掘是在数据和数据库急剧膨胀的背景下，为解决"人们被数据淹没，但却饥饿于知识"这种困境而产生的，也是数据库技术、人工智能技术、统计技术、可视化技术等发展的结果，其目的就是从大量的、不完全的、有噪音的、模糊的数据中提取出隐含在其中的潜在有用的可信、新颖并能被人理解的信息和知识，它是一种高级的数据处理过程。

One helpful way is to think of the national information infrastructure as a network of highways,much like the INTERSTATES of the 1950s.

一种有用的方法是把国家信息基础设施想像为50年代州际高速公路网络。

That is a pity, for a one-stop shop of important environmental data would be useful to policymakers, businessmen and researchers.

因为对于政策制定者，商人以及研究人员来说，一个重要环境数据的一站式服务是相当有用的。

However, upon Second Thoughts, I took it away, and wrapping all this in a Piece of Canvas, I began to think of making another Raft, but while I was preparing this, I found the Sky over-cast, and the Wind began to rise, and in a Quarter of an Hour it blew a fresh Gale from the Shore; it presently occur'd to me, that it was in vain to pretend to make a Raft with the Wind off Shore, and that it was my Business to be gone before the Tide of Flood began, otherwise I might not be able to reach the Shore at all: Accordingly I let my self down into the Water, and swam cross the Channel, which lay between the Ship and the Sands, and even that with Difficulty enough, partly with the Weight of the Things I had about me, and partly the Roughness of the Water, for the Wind rose very hastily, and before it was quite high Water, it blew a Storm.

大风整整刮了一夜。第二天早晨，我向外一望，那只船已无影无踪！这使我感到有点意外，但回头一想，我又觉得坦然了。我没有浪费时间，也没有偷懒，把船上一切有用的东西都搬了下来，即使再多留一点时间，船上也已没有多少有用的东西好拿了。

When i'm free i usually go to library to study english,because library is a good place to learn knowledge.i'll carefully read some useful words and sentences.sometimes i like to read magazines,sometimes i like to read newspapers,i think english is a tool,so that i like to learn it at sparetime,i'm an english learner,library is my favorite place, because this place is very quiet,i'll be concentrate my energy to learn useful knowledge.

当我有空的时候我通常去图书馆学习英语，因为图书馆是学习知识的好地方。我仔细阅读一些有用的词汇和句子。有时我喜欢读杂志，有时我喜欢读报纸，我认为英语是一种工具，以至于我喜欢在业余时间学习它，我是一名英语爱好者，图书馆是我最喜欢的地方，因为这个地方是非常安静的，我会集中精力学习一些有用的知识。

My favorite library when i'm free i usually go to library to study english,because library is a good place to learn knowledge.i'll carefully read some useful words and sentences.sometimes i like to read magazines,sometimes i like to read newspapers,i think english is a tool,so that i like to learn it at sparetime,i'm an english learner,library is my favorite place, because this place is very quiet,i'll be concentrate my energy to learn useful knowledge.

我最喜欢的图书馆当我有空的时候我通常去图书馆学习英语，因为图书馆是学习知识的好地方。我仔细阅读一些有用的词汇和句子。有时我喜欢读杂志，有时我喜欢读报纸，我认为英语是一种工具，以至于我喜欢在业余时间学习它，我是一名英语爱好者，图书馆是我最喜欢的地方，因为这个地方是非常安静的，我会集中精力学习一些有用的知识。

I assume that, if it is well to study the Roman Law, it is well to study it as a working system.

我假定，如果学习罗马法是有用的，那么只有把它作为一个运作的体系来学习才是有用的。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。