In 1980s, no one knew how to detect a change that small and most astronomers concluded that this so-called “transit method” was “not practical as a primary detection technique”.

在20世纪80年代，没有人知道如何到微小的变化，大多数天文学家得出结论，这种所谓的“凌日法”“不的主要术”。

Some people are taking their friends shopping with them and buying their Christmas presents in the sales-a practical but unromantic way of making sure you get the gift you really want.

一些人带着他们的朋友去购物，在商店里买他们的圣诞礼物——一种不浪漫的方式来确保你得到你真正想要的礼物。

The other 10 is for you to spend on something fun and totally frivolous, like a mink vest or a diamond frisbee.

另外一万块给你的去买有趣的 完全不的\344\270\234西就好，比如一件貂皮大衣 或一个钻石飞盘。

And the final helpful, not-so-helpful tip, which might shock some of you, is: Just count your calories!

最后一个有帮助不太的建议可能会让你们中的一些人感到震惊，那就：计算卡路里！

I found pens impractical, it can be messy, it's not as good as a ballpoint pen, it's expensive.

我发现钢笔不、写出来的字很乱，不如圆珠笔好，而且很贵。

But if they're just nice things, I wouldn't want to add to the clutter in my own house.

如果它们只些漂亮不的东西，我就不想让它们增加我家里的杂乱了。

Now things can be practical or impractical as well.

事物既可以的，也可以不的。

Let's face it - nothing screams privilege like uncomfortable, luxurious and impractical clothing.

让我们面对现吧——没有什么比不舒服、奢华和不的衣服更能彰显特权了。

Owning an exotic car is deeply impractical and has been for generations.

拥有一辆超跑极其不的，这种情况已经持续了好几代人了。

Useful words for giving opinions, agreeing, disagreeing.

表达观点、同意和不同意的词汇。

Yes to things that aren't always practical, but interesting.

支持那些不一定有趣的事情。

It isn't always practical and it also requires a lot of trust and humility.

它并不总的，而且还需要大量的信任和谦逊。

All right, just moments ago, I wrote this bag off as a pretty impractical design, but a smart marketing tactic, gotta say, kind of convenient to just hold it like that.

好吧， 刚才我还觉得这个包设计得挺不的，不得不说， 这种营销策略还挺聪明的，这样拿着确挺方便。

That doesn't make them any less useful or interesting, And it doesn't make them at all any less quantum, but it does make them a little bit less general purpose.

这并不降低它们的性或趣味性，也丝毫不削弱其量子特性，确使它们在通性上稍显逊色。

And we do have the helpful but imperfect but really useful closed captioning turned on, so if you'd like to use that feature, you absolutely can.

我们确开启了虽不完美非常的自动字幕功能，如果您想使这一特性，完全可以。

I think it's easy to create a really beautiful, impractical garden, but actually the challenge is creating something which is beautiful, which actually works really hard.

我认为创建一个非常漂亮不的花园很容易，际上的挑战创造出一个既漂亮又非常的花园。

But now it's such a dynamic, interesting language that it seems like it could be a really cool, like bounds of practical versus not practical.

现在它变成了一种如此动态且有趣的语言， 似乎它可以非常酷，就像与不的界限一样。

At that time many women dressed in voluminous skirts with lots of slips underneath and ruffles and that was not practical on a bicycle.

当时许多女性穿着宽松的裙子，裙子下面有很多衬裙和褶边，这在自行车上不的。

They served us coffee in these silly little cups.

【silly，silliness】他们竟然这种不的小杯子给我们上咖啡。

Together with a team of chemists, lots of testing and a chunk of venture capital later, I spent more than two years on building this website to offer consumers practical advice on what to buy and not to buy.

后来，我和一个化学家团队、大量试和大量风险投资一起，花了两年多时间建立了这个网站，为消费者提供关于买什么和不买什么的建议。