To ensure survival of the family line, the women tend to have daughters because they are more likely to be survive long enough to become parents themselves.
因而，为了家族的延续，这些体弱的母亲往往会生育女儿，因为女孩能够活更长的时间，直到她们自己也成为一个母亲。
Because aggressive individuals are more likely to survive and reproduce, whatever genes are linked to aggressive behavior are more likely to be transmitted to subsequent generations.
因为好斗的个体更有可能生存和繁殖，所以任何与好斗行为相关的基因都更有可能遗传给后代。
While Europe's monarchies will no doubt be smart enough to survive for some time to come, it is the British royals who have most to fear from the Spanish example.
尽管欧洲的君主们的智慧无疑会让他们足以在未来一段时间内生存下来，但对于英国王室来说，他们最担心的就是重蹈西班牙的覆辙。
Since sheep and cattle can't survive harsh climates, they needed to be taken south every winter.
由于牛羊不能在恶劣的气候条件下生存，每年冬天都要把它们带到南方去。
Those organisms that are most suited to the environment will be those that will survive.
那些最适应环境的生物将是那些存活下来的。
On the one hand, if the body doesn't have enough cholesterol, we would not be able to survive. On the other hand, if the body has too much cholesterol, the excess begins to line the arteries.
一方面，如果身体没有足够的胆固醇，我们将无法生存；另一方面，如果体内胆固醇过多，多余的胆固醇就开始让动脉变厚。
Companies must be able to survive in the marketplace.
公司必须有能力在市场竞争中生存下去。
In order to survive the competition a company should be proactive not reactive.
为了能在竞争中立于不败之地，一个公司应积极行动而非被动应变。
I may be stating the obvious but without more money the project cannot survive.
我这话可能多余，但是不投入更多资金，项目就难以为继。
Born and raised in a zoo, these animals would not be able to survive in the wild.
在动物园出生和长大的这些动物无法在野外生存。
Everything from the food they eat to how to interact with people can be different and they have to adapt quickly to survive.
从他们吃的食物到如何与人互动，一切都是不同的，他们必须快速适应才能生存。
It seems to me that something has to be done, if we're to survive as a country.
在我看来，如果我们要作为一个国家生存下去，就必须做点什么。
Perhaps some more constructive use of our time could be spent at researching corals that do survive, like in areas known as refugia.
也许我们可以更加建设性地利用时间来研究那些的确幸存下来的珊瑚，比如那些在被称为“残遗种保护区”的地方。
Surgeons may survive the robot invasion, but others at the hospital might not be so lucky.
外科医生或许能挺过机器人的入侵，但医院里的其他人可能就没那么幸运了。
The data will certainly fuel the ongoing debate over whether physical education classes should be cut as schools struggle to survive on smaller budgets.
这些数据必定会加剧一直以来的争论，即在学校努力靠更少的预算生存之际，是否应该削减体育课程。
"A designer can't survive without participating in Paris Fashion Week", she says, adding, "Our argument is that the same would be true of New York Fashion Week."
“一个设计师不参加巴黎时装周就无法生存”，她说，并补充道，“我们认为这对纽约时装周来说也是成立的。”
For the baby girls who are lucky enough to survive, their life may be still round "water", just like their mothers'.
对于那些幸运地活下来的女婴来说，她们的生活可能仍然围绕着“水”，就像她们的母亲的生活一样。
Maybe these dinosaurs were already adapted from their ancestors to be able to survive in all kinds of conditions.
这些恐龙相对于它们的祖先可能已经有所变化，而适应了在各种环境下生存。
Can auditors be sure a firm will survive the next 12 months?
审计师们能保证企业在接下来的12个月存活吗？
"But we just don't know whether these lorises will be able to survive without their teeth, " Knight says.
奈特说：“但是，我们不知道这些没有了牙齿的懒猴能否在野外生存。”
Yet news does not always have to be profitable in order to survive.
然而为了生存，新闻不能总处于高赢利状态。
生存是什么？
All of you, must learn to survive in the catastrophe, must be stronger and must be keeping survive more effectively, cherish life, cherish time and cherish everything.
要在灾难中学会生存，一定要更加坚强。要更加好好地活着，更加珍惜生命，珍惜时间，珍惜一切。
You don't have to be perfectly adapted to survive, you just have to be as well adapted as your competitors.
要活下来不必完全适应，只需像竞争对手一样适应就好。
You need to survive, of course, but you probably don't want to be miserable as you survive.
当然了，你需要生存，但不是凄惨地生存。
And so we really expect children to be able to survive this disease, whereas many years ago that was not the case.
所以，我们非常希望得这些病的孩子能活下来，尽管在多年前这并没不是个问题。
Of course every animal must to some extent be selfish to survive.
当然每种动物为了生存，肯定在某种程度上有点自私。
An evolutionary stable strategy (ess) is any combination of practices that enables a system to be successful and survive, in some environment.
进化稳定策略(ESS)是一些实践的集合，这些实践使得系统在特定的环境下能够获得成功和生存。
Although you may not be able to escape all of your allergy symptoms, there are ways to be comfortable and survive allergy season.
尽管你没办法摆脱所有的过敏症状，但有些方法还是能让你好受一些并且安然渡过过敏季。
Although you may not be able to escape all of your allergy symptoms, there are ways to be comfortable and survive allergy season.
尽管你没办法摆脱所有的过敏症状，但有些方法还是能让你好受一些并且安然渡过过敏季。
应用推荐