Natural selection removed the thick hair but left behind the mechanism for controlling it.
自然选择褪去了厚厚的毛发，但是却把背后的控制机制留了下来。
She left, but I remained behind.
她走了，而我留了下来。
"Reskilling" is something that sounds like a buzzword but is actually a requirement if we plan to have a future where a lot of would-be workers do not get left behind.
“再就业技术培训”听起来是个流行语，但如果我们希望未来的员工不被时代抛弃的话，这实际上是一个必要条件。
The umbrella will not only tell you the weather, but also let you know you've left it behind.
雨伞不仅能告诉你天气，还能让你知道你已经忘记带伞了。
He didn't leave valuable things behind, but he was a kind loving father and left behind his best love.
他没有留下昂贵的东西，但他是位慈爱的父亲，留下了最好的爱。
When all the students had a cup of coffee in their hands, the teacher said, "If you noticed, all the nice looking and expensive cups had been taken, but the simple and cheap ones had been left behind.
当所有的学生手里都拿着咖啡杯时，老师说：“如果你们有留意到，就会发现所有好看的和贵的杯子都被拿走了，而简单的和便宜的杯子都被留下了。”
Conventional resources are important to prevent yourself from being left behind, but they can't give you competitive advantage.
常规的资源是防止你被他人丢在后面的重要的资源，但它们不能给予你竞争的优势。
They'd assigned me a "swim angel" with a flotation device in case I had trouble, but I left her behind.
他们给我分配了一个“游泳天使”，准备了救生设备以防我遇到麻烦，但我把她甩在了身后。
But the change has been fast and incomplete and some people have been left behind or choose not to participate.
但是这种改变是这样的迅速，且不完整，一些人被落在了后面或是选择回避。
The white trails look vaguely like the condensation trails, or contrails, left behind by airplanes, but they actually result from ship exhaust.
白色的痕迹疑似飞机留下的凝结尾迹或飞行云，但它们实际由轮船留下。
Advances in medicine have raced ahead, but far too many people have been left behind.
医学进步在高歌猛进，但太多的人被抛在后面。
As a Formula One driver Hill left his inferiority complex behind, but his tendency for deep introspection continued to cause him inner turmoil.
作为公式1司机小山离开他的自卑感后边，但是他的被继续的深刻的内省的倾向导致他内在动乱。
If Europeans once thought they could sacrifice some growth for the sake of more equality than America, many now fear they are being left behind, not just by America, but by new, rising powers.
如果欧洲人曾经认为他们可以牺牲一些增长求的与美国的平等，现在许多欧洲人则害怕正被甩在后面，不仅是落后于美国，还要被新兴国家超越。
Migration could reduce the amount of disease as infected animals are left behind to die, but changes in migration might prevent such natural purging of infections, the review says.
这份综述说，随着被感染的动物掉队死亡，迁徙可能减少疾病数量，但是迁徙的变化可能阻止这种天然的防止感染的措施。
China's splendid civilisation was left behind by the west for various reasons, but we believe our generation will rebuild its glory.
出于种种原因，中国光辉灿烂的文明被西方文明抛在了后面，但我们相信，我们这代人将再造辉煌。
But it left behind thousands and thousands of dead and wounded. Confederate doctors treated their own men, then tried to help the wounded soldiers of the other side.
北方军虽然逃跑了，但却留下大量的尸体和伤兵，南方军的医生在治疗他们自己的伤兵的同时，也在帮助北方军的伤兵。
Hughes quit Hollywood in 1994, but is said to have left behind boxes of notebooks and computer files containing film ideas and screenplays after his death last year.
1994年休斯从好莱坞退休，去年离世，据说留下成箱笔记本和大量电脑文件，这些笔记本和文件中记载着许多电影创意和剧本。
I started to feel left behind, but took some comfort in the fact that these newfound parents seemed to be going through a living hell of belching, vomiting and random defecation.
我开始觉得自己落后了，但是当我得知那些新爸爸妈妈们好像生活在地狱中，不停抱怨孩子呕吐，到处拉屎时，我才感到些许慰藉。
Blau left behind things she loved but could survive without for a while, including albums of baby pictures and some silk dresses and pink China from her grandmother.
布劳当时留下了一些保留了很久的至爱之物，比如孩子的相册、祖母传下来的一些丝质裙子和粉色瓷器。
They add that the tiger mother fed her babies for four days, but then left them behind for unknown reasons.Two died of malnutrition shortly afterwards.
他们还说雌虎妈妈喂养了她的孩子四天，然后不知为什么就抛弃了他们。其中两个后来死于营养不良。
Few of those left behind are home alone - most are left in the custody of grandparents - but the separation from their parents will inevitably affect their development in less-than-positive ways.
除了极少数独守家中，大部分留守儿童有他们的祖父母监护，但是远离父母仍将不可避免地对他们的成长产生诸多消极的影响。
His body of work is not known either but the legacy that he has left behind is extremely intellectual.
虽然他的作品不为人所知，但他留下的遗产却是非常有内涵的。
For the left leg, do as above, but stand with your right side facing the wall, and put your left leg behind your right.
对于左腿也是如上所示，只是让你右侧身体对着墙，左腿放在右腿后面。
A 21-year-old backpacker from England who identified herself only as Rachel, says she is looking for work in Sydney but is concerned about those she has left behind.
瑞切尔是来自英国的一位年仅21岁的旅游者。她说，自己到悉尼来想找工作，但是对家里的人又放心不下。
Some folders and preference files are left behind, but they're inert.
某些文件夹或配置文件会被留下，但它们都已是死文件了。
But to many Bosnians the most important thing is not being left behind.
但对于多数波斯尼亚人来说，最重要的就是别落在了别人后头。
But without a credible smartphone offering, it risked being left behind in a rising and highly profitable market, one that rivals both at home and in Asia are increasingly moving into.
但是，如果没有一款可靠的智能手机产品，那么它可能就会落后于不断增长的高利润市场，无论在国内还是在亚洲会有越来越多的竞争对手进入这个市场。
But without a credible smartphone offering, it risked being left behind in a rising and highly profitable market, one that rivals both at home and in Asia are increasingly moving into.
但是，如果没有一款可靠的智能手机产品，那么它可能就会落后于不断增长的高利润市场，无论在国内还是在亚洲会有越来越多的竞争对手进入这个市场。
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