This offers a great opportunity to do things once only rather than doing them each time the relevant instructions are executed.
这提供了一个很好的机会，可以只执行一次操作，而不必每次都执行相关指令。
Once language starts to develop from about age 2, they do have a system for symbolic representation and can talk about things which aren't in their immediate environment including the past.
一旦语言从2岁左右开始发展，他们就有了一个符号表征系统，可以谈论过去和现在环境之外的事情。
We sometimes have lots of things to do at once, but we forget to deal with the most important things first.
我们有时有很多事情要同时做，但我们忘记先处理最重要的事情。
Many things in the country are now waiting to be done, but at present they are not able to do the things all at once.
这个国家现在是百废待举，但目前他们还不能做到百废俱兴。
There are all sorts of things you can do once you can visualize something with fluorescence.
一旦你可以利用萤光看到某种东西，你就可以做很多事情。
Of course, once you start thinking of it this way, it's natural to talk this way across a variety of things that the computer may be trying to do.
当然，一旦你开始用这种思维方式思考，你就会很自然地把这种思维应用到，电脑可能想要做的其它事情上。
Trying to do several things at once is a sure way to be sure they'll all be unfinished tomorrow.
一次同时做好几件事的唯一的结果就是：到了明天你就发现一件事情都没做成。
But we all know that there must be priorities in doing things; one can't do all at once (or: one can't prune his moustache and brows all at the same time).
机构的积极性是好的，但是，我们知道办任何事情，都要有轻重缓急，不能胡子眉毛一把抓。
The IMF's quotas are a distorted mirror of today's economy, partly because they must do three things at once.
IMF的份额对今天的经济的反映是不实的，部分原因是因为他们必须同时做到三件事情。
Scientists have located a ‘bottleneck in the brain’ that may explain why we find it hard to do two things at once.
科学家最新的研究结果表明，他们在大脑中发现一处“瓶颈”，这或许能解释人为什麽不能同时做两件事情。
Once you're able to track how people move, what people think, how people sleep - all the things they do - that creates a whole new world of media ideas.
一旦你能够追踪人们的移动方式、思考内容、睡眠方式等所有事情，就会创造出传媒理念的全新世界。
Perhaps you could collect travel brochures if you're saving for a vacation or a running “bucket list” of all the great things you'll do once you've retired.
如果你在为假期旅行存钱，或者为能去做遗愿清单上退休后最想做的事存钱，那你或许可以收集些旅游手册。
The Things You Do When You're DatingI once took a girl out on a first date not realizing it happened to be Valentine's Day.
有一次我和一个女孩第一次约会，竟不知道那天是情人节。
It's difficult for him to do two things at once, but the main objective here is to get him to talk.
男孩子很难同时做两件事，但这里的主要目的是让他谈话。
We often waste a lot of time rushing around, trying to do too many things at once.
我们经常忙忙碌碌想一次做很多事情。
Things you need to do once you have your product and website set up. You need to be able to capture peoples email addresses as this is were your big money comes from.
一旦你有了产品和网站，你需要做的事情是：你需搜集大量的email地址，它们可是你大钱的来源之处。
So many folks try to do 5 things at once, rather than focusing on one task.
许多人宁愿同时尝试做五件事情也不愿专心做一件事。
There is a built-in tutorial for the version installed in Linux, and once you get used to it, you can do some truly incredible things in a few keystrokes.
对于Linux中安装的版本有一个内置的教程，一旦您熟悉了vi，只需几次击键就可以完成不可思议的任务。
Don't try to do two important things at once. You can't. Either you will do one well and the other poorly, or fail in both.
不要试图同时做两件重要的事。你办不到的。你要不就是把其中一件事做好，另一件做差，要不就是两件都做不好。
One of the best things you can do for your kids is take them on road trips. I'm not a parent, but I was a kid once.
你能为你的孩子做的最好的事之一就是带他们出行，虽然我还没有孩子，但我也曾经是个孩子。
You can't do all things at once.
你无法立刻完成所有的事。
You can’t do all things at once.
你无法立刻完成所有的事。
I've not read The art of The Start (I plan to) but I do know that once you take that very first step forward things become much easier.
我没有读过开始的艺术(我计划阅读)，但我知道，一旦你走出第一步，事情就变得容易多了。
With specific areas to control speech, the rest of a woman's brain is available for other tasks, enabling her to do lots of different things at once while talking.
女性这些特定区域在控制语言时，大脑内的其他部位还在接受其他任务，所以女人在说话的同时还能忙于各种不同的事情。
Occasionally, we do a reality check face to face and update our long-term plans and goals, and we try to have face-to-face meetings once or twice a year to discuss things like that.
有时候，我们会实际会面进行现实性核实，并对长期计划和目标进行更新，我们会尽力每年安排一次或两次会面，讨论此类事项。
Unfortunately I've never had to do so many things at once, so I can't give much advice on that.
不幸的是，我从未有过不得不同时进行如此多改变的经历，因此，我无法给你提供太多有关这方面的建议。
You have no reason to hurry, no reason to cut corners or to try to do too many things at once.
你没有理由匆忙，没有理由走捷径，也没有理由一次做太多的事情。
Batch like things together - do all your email once a day, at 4 p.m., instead of throughout the day.
打包就是将事情合在一起——一天中就找一个时间来处理你的邮件，下午4点，而不是花一天的时间来处理这些邮件。
People have names. People have distinct, individual names that mark them as people and once you know somebody's name you are less likely to do bad things to them.
人都有各具个性的名字，这标志他们的人性，一旦你知道某个人的名字，你对他行恶的可能性就会降低。
You cannot maintain energy and focus (the two most important things in accomplishing a goal) if you are trying to do two or more goals at once.
如果同时想达到二个或更多的目标，就很难保持精力和注意力（实现目标的二个最重要的因素）。
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