A rule of thumb is a general estimate.

一则经验法则是一种估计。

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.

一个非常瘦小而灵巧人，从观察自己在一连串纵条影象中，可能会对自己容貌得到一个精确概念。

He grasped the hatchet quickly to peel off the bark and shape the wood.

说干就干，他马上拿起一把锋利斧子，动手就要削掉树皮，先砍出条桌子腿样子。

But it's really challenging to even get that approximately correct.

要做到正确就非常困难了。

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300亿美元是个范围，但在所有预算方案确定下来前我无法给出更确切数字。

After that, I'll outline the new company's structures and who is going where.

在那后呢，我会地讲一下新公司架构，和每个人位置。

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，有可能要求类似小公司并不直接相互竞争——他们可以以相同方式分享升成本，就像内联网在型组织中运行一样。

In the tropics, the sun's rays strike the earth head on, and their strength is more or less constant all year round.

在热带地区，太阳光直射地，全年辐射强度稳定。

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.

分布规律是，温带地区语言相对较少，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，我希望这能够给你们一些志愿活动是什么想法。

General American tends to follow the same pattern.

总来说，美国口音语调一样。

They also exercised about the same amount each day.

他们每天锻炼量也相同。

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

你会把脑中想法通过粗略和工作表现出来。

I'm broke, I can't give you no money, basically.

我穷到家了，没有钱，是这个意思。

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，意思是这样。

They're calling it a " Tunabot" because it's vaguely shaped like the fish but with no fins except for the tail, and it can swim about three feet per second. But why?

工程师叫这个“Tunabot”，因为它看起来像鱼，但没有鱼鳍，只有鱼尾。这个机器每秒钟可以游三英尺。为什么做这个？

Tell us a bit about your personal relationship with movies, with cinema, in general, when you were a little boy, what are your first memories, first souvenir of films?

请您讲一讲您个人和电影关系，告诉我们，在您小时候，第一个关于电影有纪念意义回忆是什么？

So now what I want to help you do is learn how to talk about numbers in general, so that you can use different sentence patterns and higher-level vocabulary to do that.

所以现在我想帮助你学习如何谈论数字，这样你可以使用不同句型和高词汇做到这一点。

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.

在过去几节课中，我们讨论了英国电讯市场，我想让你们以Box Telecom为例，推荐一些帮助他们克服问题方法。

So as soon as it comes roughly together like this, I'll cover it.

一旦形状像这样了，我就会盖好它。