We all know it is an expense, but it is an important part of doing business.
大家都知道这是一个牺牲，但是它的一个重要组成部分，是做生意。
April 22nd is Earth Day and we all know it is important to love our Mother Earth.
4月22日是地球日，我们都知道爱我们的地球母亲是很重要的。
Liliane La Fleur: Directing a movie is a very overrated job, we all know it.
万万别把导演电影算作是什么高手艺工作，我们对此都心知肚明。
What a strange feeling it is surely we all know it to look through old letters of our young days;
我们都知道，假如我们把我们年轻时代的旧信拿出来读读，我们会产生一种多么奇怪的感觉啊！
It might be difficult to get a good night's sleep the night before a big interview, but we all know it helps.
大型面试前一晚可能很难睡个好觉，但我们都知道睡眠很有帮助。
Because we all know it is good for people, especially those who really need them to save life or regain their sight.
因为我们都知道这对人有好处，尤其是对那些确实需要它们来救命或复明的人。
As we all know it takes many qualities to be such a person, however, in my opinion to be civilized is the main thing.
做一个对社会有贡献的人需要有很多的素质，文明素质就是基础。
We all know it is going to be difficult, especially if United win their game in hand, but as long as we have a chance we will fight for it.
我们知道夺取英超冠军非常困难，特别曼联赢下他们所有的比赛，但是只有有机会，我们为此而战。
It is because clothing matters and first impressions matter and deep down, we all know it even though most of us wish that it did not count so much.
那是因为个人穿着十分重要，第一印象十分重要而且根深蒂固，我们都知道这个事实，即便如此我们当中的大部分还是希望衣着打扮的分量不要如此之重。
As we all know it is the best way to solve the problem of the traffic transportation field, especially traffic jam, traffic accidents and traffic pollution.
它是目前公认的全面有效地解决交通运输领域问题，特别是交通拥挤、交通阻塞、交通事故和交通污染等的最佳途径。
What a strange feeling it is—surely we all know it—to look through old letters of our young days; a different life rises up out of the past, as it were, with all its hopes and sorrows.
我们都知道，假如我们把我们年轻时代的旧信拿出来读读，我们会产生一种多么奇怪的感觉啊！ 整个的一生和这生命中的希望和哀愁都会浮现出来。
It looks like the head of a dandelion seed, you know, with all the lollipops coming out of it, and with a center in it, that we started out as the tweet.
它看起来像蒲公英种子的顶部，你知道的，从中飞出的所有棒棒糖般的种子都有一个中心，正如我们首发的那条微博。
Don't anyone say "a story with a fairy in it" because we all know that very few fairy tales actually have those tiny magical creatures in them.
不要说“童话故事里有仙女”，因为我们都知道，很少有童话故事里真的有这些魔法小生物。
It is my profound belief that not only do we all need nature, but we all seek nature, whether we know we are doing so or not.
我深信，我们不仅都需要自然，而且不管我们是否知道自己正在这样做，我们都在寻找自然。
The universe encompasses all of space and time we know, so it is beyond the realm of the Big Bang model to postulate what the universe beyond our horizon is.
宇宙包含我们所知的所有空间和时间，所以要求用大爆炸模型解释我们视界之外的宇宙超出了这个模型的限定范围。
I don't know if we can help—it all depends.
我不知道我们能不能帮上忙，一切都得看情况而定。
We all know that though 75% of the earth is covered with water, only 3% of it is fresh water.
我们都知道虽然地球75%都被水覆盖，但是其中只有3%是淡水。
We all know there exists a great void in the public educational system when it comes to exposure to STEM (Science, Technology, Engineering and Mathematics) courses.
众所周知，当提到接触STEM（科学、技术、工程学、数学）课程时，公共教育体系存在巨大的空白。
All of us have spent money and time on something—maybe a relationship, or a business, or a job—and sometimes, even if we know there's no hope that things will change, we still continue with it.
我们所有人都在某些事情上花费了金钱和时间——也许是一段关系、一笔生意，也许是一份工作——有时，即使我们知道事情没有希望改变，我们还是会继续做下去。
Love is something we all need, but how do we know when we've experienced it?
爱是我们都需要的东西，但是我们怎么知道什么时候经历了爱？
I guess no parent can know entirely what their children are thinking, but I am keeping an open mind until we know it all.
我想没有哪个做父母的能够完全知道他们的孩子在想些什么，但是我们在知道这一切之前都没什么偏见。
As we all know, when we have a big goal, it helps to break it down into smaller pieces.
就像我们都知道的那样，当我们有大的目标时，把它分成小块会比较有用。
We all know we can't live without water, but just why is it so important?
我们都知道我们不能离开水，但是为什么它如此重要呢？
It will be 45m (147ft) up and visible for miles around so, when Masdar is finished in five to 10 years' time, we will all know if it is in the red.
这个塔将有45米(147英尺)高，周围数英里内都能看到。在5到10年内，马斯·达尔将会完工，到那时我们就能知道是否它是否是真的无碳城。
We all know how important it is to keep our face clean, but how about our pillows?
我们都知道保持脸部的干净又多重要，但是我们的枕头呢？
We all know why it is better to use CSS to develop a website so I do not want to bore you with arguments.
我们都知道为什么运用CSS开发网站会更好，因此为了免于打扰，我就不多作评论了。
We don't know all that this phrase covers, but we do know some of the aspects it includes.
我们并不完全理解这句话到底意味着什么，但我们确实可以明白它某些方面的意义。
We don't know all that this phrase covers, but we do know some of the aspects it includes.
我们并不完全理解这句话到底意味着什么，但我们确实可以明白它某些方面的意义。
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