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，没有人知道如何探测到微小变化，大多数天文学家得出结论，这种所谓“凌日法”是“不实主要探测技术”。

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.

些人带着他们朋友去购物，在商店里买他们圣诞礼物——种实不浪漫方式来确保你得到你真正想要礼物。

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

另外万块是给你去买有趣 完全不实\344\270\234西就好，比如件貂皮大衣 或是钻石飞盘。

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

最有帮助不太实议可能会让你们中些人感到震惊，那就是：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.

我发现钢笔不实、写出来字很乱，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.

如果它们只是些漂亮不实东西，我就不想让它们增加我家里杂乱了。

Now things can be practical or impractical as well.

事物既可以是实，也可以是不实。

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

让我们面对现实吧——没有什么比不舒服、奢华和不实衣服更能彰显特权了。

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

拥有辆超跑是极其不实，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、同意和不同意实词汇。

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

支持那些不定实有趣事情。

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

它并不总是实，而且还需要大量信任和谦逊。

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， 刚才我还觉得这包设计得挺不实，不得不说， 这种营销策略还挺聪明，这样拿着确实挺方便。

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.

这并不降低它们实性或趣味性，也丝毫不削弱其量子特性，确实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.

我们确实开启了虽不完美非常实自动字幕功能，如果您想使这特性，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.

我认为创非常漂亮不实花园很容易，实际上挑战是创造出既漂亮又非常实花园。

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.

现在它变成了种如此动态且有趣语言， 似乎它可以非常酷，就像实与不实界限样。

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裙子，裙子下面有很多衬裙和褶边，这在自行车上是不实。

They served us coffee in these silly little cups.

【silly，silliness】他们竟然这种不实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.

来，我和化学家团队、大量测试和大量风险投资起，花了两年多时间立了这网站，为消费者提供关于买什么和不买什么实议。