Now, it's been assumed that primates and some other mammals stood alone at the top of the hierarchy of cognitive evolution.
现在，人们默认灵长类动物和其他一些哺乳动物独自站在认知进化等级的顶端。
I'm alone and I've been alone all along.
我是一个人，我一直都是一个人。
Old age and seniority alone do not command authority among the British: in fact modern life has been developing so fast that old people often appear tiresome and out of date.
在英国人当中，年长和资历本身并没有什么权威性：事实上，现代生活发展飞快，老年人常显得乏味又过时。
I had to come alone, for Clara has been very ill and could not travel.
我不得不一个人来，因为克拉拉病得很重，不能旅行。
After I had been in office several years and there was clearly no imminent threat, I often ran alone in the mornings, but along a predictable downtown route with lots of people around.
任职州长几年之后，而且在明显没有危险的情况下，我经常一个人在早晨跑步，但是跑步的路线必须是在预知的市区范围里，而且周围必须要有很多人。
I sat at the table with Jessica and her friends longer than I would have if I'd been sitting alone.
我跟杰西卡和她的那些朋友在饭桌上坐了很久，我一个人是坐不了这么久的。
She walks through bad neighborhoods alone at night, approaches shady strangers without guile, and has been repeatedly threatened with death.
她晚上独自一人穿过其恶邻的屋子，毫不保留地接近名声不好的陌生人，并以多次受到死亡的威胁。
For the first time since we've been together, I'm really alone and it scares me.
我们在一起那么久，我第一次感到孤单，这真可怕。
Angola's No1 at the 2006 tournament joao Ricardo had been released by Portuguese club Moreirense in 2005 and kept his fitness by training alone.
2006年世界杯上，安哥拉队的1号里卡多(joao Ricardo)在2005年与葡萄牙的摩里伦斯俱乐部解除合约，通过独自训练来保持状态。
After we passed through another hostile village without incident, I asked the Dongo brothers what would have happened if Cho and I had been alone.
在我们毫无意外地通过了另一个有敌意的村落后，我问东构兄弟如果只有我和曹单独前往会发生什么。
Women did not do these things alone - but these things could not have been achieved without women and girls taking matters into their own hands.
这些成就不仅仅是由妇女取得的，但是没有妇女和女童将该事务把握在自己手中，就不会取得这些成就。
They are young people from the country who have never been away from home, working long hours, and feeling alone and vulnerable.
这些年轻人从农村中出来，可能之前从未离家这么远，长时间的工作，使他们感觉孤独和容易受到挫折。
But if you hang with the right people, you will be more capable and powerful than you ever could have been alone.
但是如果你和正确的人在一起，你会比以前一个人独处的任何时候都有能力和力量。
Yet action on the current scale has never been tried before and nobody knows when it will have an effect—let alone how much difference it will make.
但是眼下这种规模的行动从未在以前尝试过，没有人知道它将在何时产生效果——更不用说它将会有多大的作用。
The word pizza has always been known to mean pie or cake, and is an Italian word. This fact alone might suggest pizza's origins.
比萨这个字向来被认为是派或蛋糕的意思，而且它是意大利文，光是这一点也许就暗示了比萨的起源。
Jerry was seven then and she had had to manage him alone, had sometimes failed him, had sometimes been burdened too greatly, but she had always loved him.
杰里当时只有七岁，她不得不独自照顾他，她曾经让杰里失望过，也曾经觉得自己负担过重，但她一直很爱他。
He'd been alone on this vessel for nearly a year, and for the most part, it hadn't bothered him, just like predicted.
他已经在这艘飞船上独自呆了差不多一年，在大多数时候，和预计的一样，思乡的情绪从没有烦扰过博兹。
When Hanna had not been acting alone, they claimed, she had pressured, threatened, and forced the others.
当汉娜没有出庭时，他们就声称，她施压，威胁并且迫使其他人。
Oh! that I had been with you, you have had every care and anxiety upon yourself alone.
样样事都让你一个人操心烦神，要是我跟你在一起就好了！
For the past year, Mr Zapatero has been desperately trying to prove to investors that Spain should not be lumped in with Portugal, let alone Greece and Ireland.
过去一年里，萨帕特罗先生拼命地向投资者证明，不应将西班牙和葡萄牙列为一类，更不用说和希腊和爱尔兰了。
At that, as if it had been the signal he waited for, Newland Archer got up slowly and walked back alone to his hotel.
这时，纽兰·阿切尔像见到了等候的信号似的，慢慢站起身来，一个人朝旅馆的方向走了回去。
Many people who find themselves alone may have been married -- or in a committed relationship -- for a very long time and they may be out of practice being "out there.
许多已婚或者处于坚定的关系中的人们发现自己很孤独——很长一段时间里他们脱离现实变得“特立独行”。
The bus drove off without me, and I stood alone in a daze, but feeling as if a weight had been lifted off my shoulders.
巴士开走了，我一个人站在那，有点茫然，但是感到仿佛有一副重担从肩膀上卸下。
The bus drove off without me and I stood alone in a daze but feeling as if a weight had been lifted off my shoulders.
巴士开走了，我一个人站在那，有点茫然，但是感到仿佛有一副重担从肩膀上卸下。
The interceptors slotted for Poland have not yet been built, let alone tested, and their sister systems deployed in Alaska have demonstrated serious operational problems.
旨在部署在波兰的拦截机还未建成，更不用说试验了，而且部署在阿拉斯加州的姊妹体系也存在着严重的操作问题。
I hadn't been alone for 25 years. I was scared, but I hoped the hard work would distract and heal me.
25年来我从来没有一个人生活过，我很怕，但是我希望通过辛勤劳作来分散注意力，同时使我的恐惧得到缓解。
I hadn't been alone for 25 years. I was scared, but I hoped the hard work would distract and heal me.
25年来我从来没有一个人生活过，我很怕，但是我希望通过辛勤劳作来分散注意力，同时使我的恐惧得到缓解。
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