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。
The theory sounds eccentric but once he starts to explain the detective work that went into his deduction, the scepticism gives way to wary admiration.
这个理论听起来怪怪的，但一旦他开始解释符合他的推理的侦探工作，怀疑就变成了对他谨慎的赞赏。
To me, a customer is a person whose memory fails entirely once he or she starts to push a shopping cart.
对我来说，顾客是一个一旦开始推购物车就完全丧失记忆的人。
Once the parrot starts swinging, he'll talk a lot happily.
一旦鹦鹉开始摆动，它就会高兴地说很多话。
Once the meal starts, you'll all be very busy waiting on the tables and I'm sure I don't need to tell you to be good-humoured and polite to all the guests.
一开饭，你们都会在餐桌上忙得不可开交，我相信不用说你们都明白要和善与礼貌地对待所有的客人。
Once the server completely starts, the browser should also start.
一旦服务器完全启动，浏览器也应该启动了。
Once an asteroid starts approaching Earth, it will do so again and again in an orbital waltz driven by gravity as both bodies travel around the Sun.
一旦某颗小行星开始接近地球，它会在重力作用下，像跳华尔兹一样，一次又一次接近地球，因为它和地球一样也绕太阳运行。
Once matchmaking starts, they may be expected to choose a life partner after only a brief courtship.
一旦相亲开始，人们可能期望她们仅在短暂恋爱后选择一生的伴侣。
Once a construction project starts upstream, it requires water compensation downstream.
一旦上游开始基建项目，下游就需要对用水进行补偿。
I've found email is a good way to initiate contact, but once a conversation starts it's a bad medium.
我发现电子信函是发起联系的好方法，但是一旦交流开始，它就是一个很糟糕的工具。
Once the tool starts and prompts her for an input file, she responds to the dialog telling the tool which log to analyze.
在该工具启动之后，提示她提供一个输入文件，她对该对话框进行响应以指定要使用这个工具进行分析的文件。
But once the coding starts, programmers in most companies tend to dash for their offices or cubicles to be alone.
但一旦开始编码，大多数公司的程序员就会一头埋进他们的办公室或隔间里独自工作。
Her findings have helped to transform conventional ideas about how the brain starts to deteriorate once we reach our teenage years.
她的发现有助于转变我们通常的观念——一旦渡过青少年时期之后，我们的大脑便开始走向恶化。
You can debug as many kernel images (which are residing on target machines) as you want to debug; it becomes transparent to users once debugging starts.
您可以调试尽可能多的内核映像(位于目标计算机上)，一旦调试开始，它对于用户来说就是透明的。
The BI team often recognizes that user involvement is important through these development phases, but this involvement is very limited once the project starts.
BI团队通常承认，用户在项目开发过程中的参与非常重要，但一旦项目开始之后，用户的参与就变得非常有限了。
Once installed, the Trojan starts sending SMS messages behind the scenes that cost several dollars per message, without the device owner knowing it.
安装后，在手机用户毫不知情的情况下，木马以每条短信几美元在后台开始发送短信。
Once a new interval starts, the aggregate value counters are reset to zero.
当新时间间隔开始时，聚合值计数器将重置为零。
The reasoning: once a developer starts using caching to solve performance issues they see its value.
可以推断一下：一旦开发人员开始用缓存解决性能问题，他们就能看到缓存的价值。
Once the male starts warbling, his partner launches into a song that interferes with his-a clear attempt, the researchers say, to ruin any overture to the unattached female.
据牛津大学的研究报道，一旦雄鸟开始鸣唱，它的伴侣雌鸟也开始唱歌，却是为了干扰雄鸟的歌声，以此破坏任何对第三者示好的乐音。
Once the footway starts swaying, however subtly, more and more pedestrians adjust their gait to get comfortable, stepping to and fro in synch.
但一旦桥开始摇晃，哪怕只是轻微的晃动，也会使越来越多的行人调整自己的步调，通过不断的踏步调整来适应桥的晃动。
Once the lottery starts, ticket buyers can submit their applications for tickets' at a leisurely pace, 'Mr. Zhu said.
朱炎说，抽签开始后，购票者就可以从容地提交他们的购票申请。
"There's just no end to it once the cycle starts," says Robert Solomon of Yale Law School.
“循环一旦开始就会没完没了，”耶鲁法学院罗伯特·所罗门说。
Financial markets have an interesting feature that has undone many a trading strategy: once everyone starts believing something, it often stops being true.
在金融市场的交易策略中有这么一个有趣的特点：当每个人都开始相信一件事时，那么它就不再有效了。
Once the execution group has been created, it starts automatically.
执行组在创建后将自动启动。
In a sense, for testers, the iteration starts once it has finished for the developers.
从某种意义上讲，一旦对开发人员来说迭代结束了，对于测试人员迭代就开始了。
Once any particular commodity starts to be used as a medium, this very process has a spiralling, or snowballing, effect.
一旦某个特定的商品开始被作为交换媒介来使用，这种交换过程就会产生一种螺旋效应，或者说滚雪球效应。
Once again your code starts by adding a new Dojo dependency.
再一次通过添加新的Dojo 依赖性开始您的代码。
Once it starts scanning, the bottom pane changes to the Alerts TAB automatically (see Figure 7).
一旦开始扫描，底部窗格自动更改为Alerts选项卡(参见图7)。
Once the debugger starts, it will prompt you to switch to the debugger perspective.
调试程序启动后，它将提示您切换到Debugger透视图。
Once the debugger starts, it will prompt you to switch to the debugger perspective.
调试程序启动后，它将提示您切换到Debugger透视图。
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