Algebra is not easy for everyone to learn, but it is very useful.
代数对每个人来说都不容易学，但它非常有用。
The workflow mining technology is not just a tool of workflow design, but it is very useful for understanding the current business processes.
工作流挖掘技术不是一个工作流设计的工具，但它对充分理解现有业务过程执行情况有很大的帮助。
In recent years due to acid rain in most areas of our country should be left in the rain raging, iron fence in the dry immediately, although there is a little trouble, but it is very useful.
因近年我国大部分地区酸雨肆虐，雨后应立即把残留在铸铁护栏上的雨水擦干，虽然有点麻烦，但这招很管用。
And we should not imagine that it is. But it is a very useful tool.
并且我们也不应该这样设想，但是这确实是一个很有用的工具。
These statistics are easy to gather, but without an unintrusive means of retrieving the data when it is needed, they are not very useful.
这些统计值容易搜集，但是在需要数据的时候，如果没有非侵入性的数据检索机制，那么这些值就不太有用。
A very short post might not need any subheadings - but once your post is more than 400 words or so, it's useful to break it up.
一篇很短的博文也许不需要任何小标题，但是一旦你的博文超过400字，利用小标题来分层就变得很实用。
This can be very useful, but it is not needed in this case.
此属性会非常有用，但是在本例中不需要它。
It might be very useful. But now it is gone.
——或许很有用吧，但是现在文件已经没有了。
This is academically very interesting and it has a certain aesthetic appeal, but it's not particularly useful.
在理论上这是非常有趣的，而且具有一定的艺术性，但是它并不特别实用。
Sometimes there are foreshocks, but there is nothing about a foreshock that distinguishes it from any other earthquake, so they're not very useful for prediction.
有时会发生前震，但我们并不能区分前震和其他地震，所以它们对于预测地震并不是很有用。
GTD is just a tool, but it is a very useful tool, and I highly recommend it for anyone trying to make dreams a reality.
GTD仅仅是一个工具，但它是一个非常有用的工具，我强烈推荐所有想要实现梦想的人们都来用它。
It should probably go without saying, but this technique is very useful for general-purpose wiring, and is not for anything requiring special considerations.
也许这篇文章应该到此结束，但需要注意的是这种技巧在制作一般用途的绕线时非常有用，但不用于其他要求特殊考虑的场合。
The first one that I will mention is actually something you thought maybe you could do with a single integral, but it is useful very often to do it as a double integral.
第一点就是，有些你以为是用一重积分来做的，但却通常是用二重积分来完成的。
A gentleman who was present, answered: "Yes, Madam, the sun is a very fine body, to be sure, but in my opinion, it is not so useful as the moon."
一位被邀请来的绅士答道：“是的，太太，太阳的确是一颗非常美丽的星体，但我认为它不如月亮用处大。”
This is very useful because not only can it keep the Web service code concise, but also it can help to separate the Web service code from any business logic code you already have.
这很有用，因为这样不仅可以保持Web服务代码的简洁，而且有助于从已有的任何业务逻辑代码中分离出web服务代码。
Thus, Tie: : Amazon: : S3 is useful if you want to store pure data in S3, but for images it won't be very helpful.
因此，如果您想要在s3中储存纯数据，Tie：Amazon： S3是非常有用的，但它对映像的用途不大。
"Although I'm not surprised, it is very interesting," says Lechowicz, But more detailed data would be useful, he says.
“虽然我不感到吃惊，但这非常有趣。”Lechowicz说道。但获取更多细节上的数据会很有用，他说。
This can be very useful, but it can also lead to problems since the AcceptEx call will not return until data is received, even if a connection has been established.
这样可能是很有用的，但是也可能会引发问题，因为AcceptEx必须等全部客户端数据都收到了才返回。
这是非常容易的，但有益的。
But unknown to many, it has been recently discovered that it is very useful in oral care as well.
但是，许多未知的，它最近已经发现，这是非常有益的口腔护理以及。
This script computes the square root of 5, but since it doesn't store or display the result, it is not very useful.
这个脚本计算了5的平方根，但没存储下来，也没有显示出来，所以就根本没用了。
I like English too, but I like the computer class best. It is very useful.
我也喜欢英语，但我最喜欢电脑，电脑很有用。
Neil: Yes, it is very useful but we'll just have to finish there.
是的，非常有用，但是我们要在这里结束了。
It is very important to acquire useful information online, but it is still of great necessity to read traditional books.
从网络中获取信息很重要，但是阅读传统书籍也很必要。
The workflow mining technology is not just a tool of workflow design, but also it is very useful for understanding the current business processes.
工作流挖掘技术不是一个工作流设计的工具，但它对充分理解现有业务过程执行情况有很大的帮助。
English homework is an assistant measure that is very useful for class teaching, but it is also a very weak part in teaching.
英语作业是课堂教学极为有用的辅助措施，但也是教学中很薄弱的一个环节。
This encyclopedia is very useful, but I cannot afford it.
套百科全书特别实用，可我买不起。
The pencil one may seem far-fetched, but I find the basis of it (the Benjamin Franklin effect) is very useful and extends far beyond pencil borrowing.
铅笔似乎对你来说有些遥远，但是我发现它（本杰明·富兰克林效应）的基础是非常有用的，远远超过借铅笔。
The pencil one may seem far-fetched, but I find the basis of it (the Benjamin Franklin effect) is very useful and extends far beyond pencil borrowing.
铅笔似乎对你来说有些遥远，但是我发现它（本杰明·富兰克林效应）的基础是非常有用的，远远超过借铅笔。
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