A rule of thumb is a general estimate.

则经验法则是种大的估计。

A very thin and very agile person may, by observing his reflection in a rapid sequence of longitudinal strips, obtain a fairly accurate conception of his looks.

个非常瘦小而灵巧的人，从观察自己在连串的纵条影象中，可能会对自己的容貌得到个大的概念。

So yes, I think that's - - that's probably in the ballpark but I'm not going to nail down any numbers until we negotiate the final solution on all of these different budget perimeters.

所以尽管200到300亿美元是个大的范围，但在所有预算方案定下来之前我无法给出更切的数字。

Well, there's a possibility that small groups of companies with similar requirements but not directly competing with each other— they could share the cost of upgrading in much the same way as, let's say, an intranet operates within large organizations.

那么，有可能要求类似的小公司并不直接相互竞争——他可以以大相同的方式享升级成本，就像内联网在大型组织中运行样。

The general rule is that mild zones have relatively few languages, often spoken by many people, while hot, wet zones have lots, often spoken by small numbers.

大的布规律是，温带地区的语言相对较少，通常使用人数较多，而热带潮湿地区有很多语言，通常使用人数较少。

OK, I hope that's given you an idea of what volunteering is all about.

好的，我希望这能够给你志愿活动是什么的大想法。

You make something rough and imperfect to get an idea of where you're headed.

你会把脑中的想法通过粗略和大的工作表现出来。

The name of the evasion is skepticism, it's the idea...It goes something like this.

这种方式就是怀疑论，大的意思是这样的。

We've looked in general at the telecommunications market in the UK over the last few sessions and I want you to take Box Telecom as an example and suggest some ways in which they might overcome their problems.

在过去的几节课中，我大讨论了英国的电讯市场，我想让你以Box Telecom为例，推荐帮助他克服问题的方法。

Do you want to test your brainpower and calculate its approximate age?

你想测试你的脑力并计算它的大年龄吗？

And 25 percent of the time, roughly, they did.

大25%的患病时间内都存在其他病毒。

That way, you'll be aware of everything that's coming up, and you'll have a rough idea of when you'll be able to work on it all based on what's already in your calendar.

这样，你就会知道接下来要做的每件事有什么会有个大的概念，即你可以根据你的日程安排来决定什么时候去完成它。

That's an approximate number because new volunteers are joining us all the time.

这个数字是大的，因为不断有新的志愿者加入我。

Cover, roughly sort of 'seal' the edges of your lid with a couple damp rags, or you could also use aluminum foil if that fits better in your kitchen… and steam that for 15 minutes.

盖上盖子，用几块湿布大密封盖子的边缘，或者，如果你的厨房里有铝箔纸，也可以用它来代替湿布… … 这样蒸上15钟就好了。

They have about the same meaning, but each word's action goes in different directions.

它的含义大相同，但每个词的动作方向却不同。

I still always have a general idea of what's going on.

我都还能够有个大上的了解。

If you are overweight, know your limits.

要是体重超重，你应该对自己的极限有个大的了解。

The rule of thumb for packing is pack less, not more.

行李打包大的原则就是要带得少而不是带得多。

But, it does provide a general idea about the difference between will and would.

但是，它实提供了个关于will和would区别的大概念。

So that was an overview of conditional sentences in English.

这就是英语条件句的大情况啦。