如果从未遇到过准确精度数据类型，那么对算术类型和浮点类型可能有些迷惑。
If you've never encountered an exact precision data type, the distinction between a decimal and floating-point type may be confusing.
相反，如果从未知源获取XML文档，则要验证XML文档以维护数据的完整性。
On the contrary, if XML documents are received from an unknown source, be careful to validate XML documents to maintain data integrity.
如果从未服用过蜂产品，为了评定是否过敏，刚开始每天服用小剂量，逐渐加大剂量。
If you have never taken bee products, start with a small serving per day and increase gradually in order to assess whether you are allergic.
如果你从未工作过，你无权领取失业救济金。
You have no right to collect unemployment benefits if you have never worked.
如果史密斯先生说的是一种观点的话，他有道理：与圣路易斯和明尼阿波里斯不同，夏洛特从未举办过政治集会。
If Mr. Smith is talking about one perception, he has the reason: unlike St Louis and Minneapolis, Charlotte has never hosted a political convention.
在这个“极客时尚”的年代，嗓音沙哑的演员就是当今宠儿，如果《菜鸟大反攻》从未拍过，那它很有可能发生在今天。
In the era of "geek chic", scratchy-voice actors are today's big thing and if Nerds had never been made, it could very likely happen today.
如果我们在某些事情上从未失败过，那么我们可能还没有学会生活教给我们的所有东西。
If we never fail at something, we probably haven't learned all that life has to teach us.
如果你从未在浪涛之中游过泳，我认为你还不算会游泳。
如果你从未使用过平板电脑作为摄像机，你现在就可以用了。整个屏幕就是你的预览区域。
If you've never used a tablet as a camera, you're in for a treat; the entire screen is your viewfinder.
如果你从未走进你的大学图书馆(就算你有过)，那么你需要发现并利用很多东西。
If you've never set foot in your college library (or even if you have), there's much to discover-and to use.
如果你从未把集装箱看作进行诗歌创作的对象，这项工程绝对能叫你心回意转。
If you have never imagined a container as an object of poetry, this is a project that could well change your mind.
如果孩子从未接受过母乳喂养，而是从小就用奶瓶喂养，那又会怎样？
What if a child was never breast fed, but fed from the bottle from the start?
如果之前你从未安装过操作系统，那么这可能是相当艰巨的。
If you've never installed an operating system before, it can be quite daunting.
如果你从未涉足美国以外的地方，不要紧，因为游遍那些地方要花一辈子的时间。
It doesn't matter if you never set foot outside of the United States because there is a lifetime of travel to experience there.
如果您从未尝试过伪所见即所得编辑器，那么劳驾一下，请立即下载评估版本。
If you have never tried a pseudo-WYSIWYG editor, do yourself a favour and download an evaluation version right away.
YAML不太复杂，但是如果您以前从未使用过它，则它可能会有些令人迷惑。
YAML isn't too complicated, but if you've never used it before, it can seem confusing.
但是如果他们从未尝试又怎么知道呢？
如果他们以前从未做过某事，他们会急于试水。
If they have never done something before, they are eager to test the waters.
如果你从未写上几句来向我们问候或向我们提问，那请不要再害羞。
If you have never dropped us a note to say hello or ask a question, don't be shy.
我知道如果我从未去过福克斯，那么现在便勿需面对死亡。
I knew that if I'd never gone to Forks, I wouldn't be facing death now.
萨路斯说，如果你从未接受过好的入职教育，“你可能不知道自己缺失了什么。”
If you've never been through a good orientation experience, "you may not know what you're missing," Salluce says.
而如果他们从未坠入爱河，他们又会很绝望，担心再也不会有那样的机会出现。
And if they've never fallen in love, they become desperately afraid they never will.
如果你从未上过游轮，这仅仅是一个你尝试第一次的问题，然后你将会沉迷下去。
If you've never been on a cruise, it is only a matter of taking your first one and you'll be hooked for life.
如果你以前从未练习过图像化，那完成整个过程可能需要几分钟或更久。 熟能生巧。
If you’ve never done visualizations like this before, it may take you several minutes or longer to go through this whole process.
如果你从未仔细观察过黑暗，你就无法理解光明的本质。
There is no way that one can understand the nature of light if one never observes deeply the darkness.
如果你之前从未听过马扎小子的邮件，那么你真该好好的搜出来看看。
If you haven't heard of Guy Macon's Original Post before, you should check it out.
如果你之前从未得到由跑步引起的擦伤，那么你很幸运。
If you've never experienced running-related chafing before, consider yourself very lucky.
如果你从未犯过错，那就说明你从未及时地做过决策。
If you've never made a mistake, you've never made a decision on time.
如果你从未担任过首席执行官，把你的顾问团队以及管理团队中其他强人展示给他们。
If you haven't been a CEO before, show them your advisory board and the rest of your management team who will complement you.
如果你从未担任过首席执行官，把你的顾问团队以及管理团队中其他强人展示给他们。
If you haven't been a CEO before, show them your advisory board and the rest of your management team who will complement you.
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