Documenting what the code is doing is common, but unnecessary.
注释代码当前做什么是很常见的，但这是不必要的。
Clear important, but unnecessary items off your schedule for a day - and let them go.
从你的工作日程中去掉那些重要但非必要的事，尝试一天，不要再想它们。
The concurrent collector introduced in Gingerbread helps, but unnecessary work should always be avoided.
Gingerbread中提到的并发回收也许有用，但不必要的工作应当被避免的。
Lozanov experimented with teaching by direct suggestion during sleep, hypnosis and trance states, but found such procedures unnecessary.
洛扎诺夫在睡眠、催眠和恍惚状态下尝试了直接暗示的教学方法，但他发现这些过程是没必要的。
Taking out travel insurance may seem an unnecessary expense, but it is a must.
旅游保险费用看起来似乎是没必要的，但却是必不可少的开支。
But trust me it saves you from a lot of unnecessary hassle.
但值得信赖的是这会让你省去很多不必要的麻烦。
But you can also learn the skills necessary to make such tools unnecessary.
但是你也可以学习一些必要的技能来让这些工具变得没有必要。
The tsunami was not preventable, but preventing unnecessary deaths and suffering is.
海啸是不可预防的，但我们可以预防不必要的死亡和痛苦。
For example: sleeping and eating are necessary but watching TV is unnecessary.
比如：睡觉和吃饭是必要的，而看电视是不必要的。
It’s best if you refrain from buying too many more unnecessary clothes, but I know some of you are shopaholics, and even the rest of us accumulate stuff over time.
能控制自己不要买太多不必要的衣服就再好不过了，但我知道其中很多人都有购物癖，就算那些没购物癖的人时间长了也会堆积一堆东西。
I had toyed with the idea of going to college in the past, but it had seemed unnecessary, difficult and somehow unobtainable.
我过去曾经有过不经意的上大学的念头，但在那时看来，上大学并无必要、而且困难、有点无法达成。
Automating processes can remove unnecessary drudgery, but should never be a way of escaping due diligence.
自动备份过程能够去除不必要的枯燥工作，但是不应因此而变得懒惰。
At first glance, the dollar sign may seem unnecessary, but it's critical.
乍看之下，美元符号可能看似不必要，但是它是至关重要的。
Therefore, many men who are diagnosed with prostate cancer likely will be treated, but also may experience unnecessary and harmful side effects that could lower their quality of life.
因此，许多人可能得前列腺炎的人会被治好，但可能要经历不必要，甚至有害的降低生活质量的副作用。
But by then they will have created so much unnecessary human suffering and despair.
但届时就会带来不必要的人类伤痛和绝望。
But as standards compliance increases across the industry, this will become increasingly unnecessary.
但随着整个行业对标准遵循的不断增加，这将变得越来越没有必要。
On the surface that seems like a great argument, but it's completely unnecessary.
从表面上看，这是个不可批驳的理由，但是实际上这是完全无用的。
It was George Eliot who remarked that of all human error, prophecy was the most unnecessary, but it is also the most persistent.
乔治·艾略特曾指出在人类所有的缺点，预言是最无必要、但也是最根深蒂固的。
This new technology might seem incredibly costly, confusing, and unnecessary, but for the space of this article, we'll ask you to take a deep breath and try to forget all of that.
这种技术看起来好像成本很高、令人困惑，并且毫无用处，但是，看您继续看下面的文章之间，请您先深呼吸一下，然后忘掉您的那些偏见(如果有的话)。
The subquery in this statement is absurdly simple, and completely unnecessary, but it does serve to illustrate a point.
这个子查询非常简单，并且完全没有必要，但是它能说明一点。
In example 11, we used "select-before-update" for ElectricityDeal, which incurs an extra select for your transient or detached object. But it does avoid unnecessary updates to your database.
在范例11中，我们为electricitydeal加上了select - before - update，这会对瞬时(transient)对象或分离(detached)对象产生额外的select语句，但却能避免不必要的数据库更新。
ExpressionEngine USES the very same structure like Beyondis, but avoids unnecessary question marks.
ExpressionEngine使用了与Be yondi非常相似的结构，但避免了不必要的问题。
Windows users are accustomed to closing applications to boost performance, but that's going to be unnecessary with Windows 7.
很多Windows用户都习惯了当电脑性能不好时，就关闭一些当前并不使用的窗口或应用以提高速度，但在Windows 7上没有必要这么做。
The movie is unnecessary, but not unskilled.
这部电影或许是可有可无的，但影片的制作却不是那么简单拙劣。
There is nothing stopping a member of your team from using their preferred tools and environment, but it can introduce unnecessary complexity.
尽管没有理由阻止团队的成员使用他们自己喜欢的工具和环境，但是这会增加不必要的复杂性。
You could manually create an array of the actual event names you want to support from these names, but that is unnecessary.
您可以从这些名称中手动地创建一个真正希望支持的事件名称的数组，不过这并不是必需的。
You could manually create an array of the actual event names you want to support from these names, but that is unnecessary.
您可以从这些名称中手动地创建一个真正希望支持的事件名称的数组，不过这并不是必需的。
应用推荐