Therefore, a begging nestling that secures food at the expense of its siblings might actually leave behind fewer copies of its genes overall than it might otherwise.
因此，一只以其兄弟姐妹为代价来获取食物的乞食雏鸟实际上可能会比其它雏鸟留下更少的基因副本。
The Roosevelt Administration believed that rebuilding the nation's soil was in the national interest and was not simply a plan to help farmers at the expense of other citizens.
罗斯福政府认为，恢复国有土地是符合国家利益的，也不只是一个牺牲其他公民的利益来帮助农民的计划。
Now, for reasons to do with reorganization and a desire to do away with all the expense of early retirement, they were shooting at him with bullets.
现在，可能是与重组和想要废除全部提前退休的费用有关，他们用子弹向他射击。
Copernicus theorized in 1543 that all of the planets that we knew of revolved not around the Earth, but the Sun, a system that was later upheld by Galileo at his own expense.
哥白尼在1543年提出了一个理论，即我们所知道的所有行星不是绕着地球转，而是绕着太阳转的，这一理论后来得到了伽利略的支持，但伽利略本人也为此付出了代价。
"There seems to be a predominance of short-term thinking at the expense of long-term investing," said Commissioner Daniel Gallagher of the US Securities and Exchange Commission in a speech this week.
本周，美国证交会委员丹尼尔·加拉格尔在一次演讲中表示：“短线思维似乎已占据主导地位 ，其代价是长期投资受损。”
Parasitism is a kind of predator-prey relationship in which one organism, the parasite, derives its food at the expense of its symbiotic associate, the host.
寄生是一种捕食者与被捕食者之间的关系，寄生者利用共生伙伴——宿主来获取食物。
While climate is a key element, Moritz says, it shouldn't come at the expense of the rest of the equation.
莫里茨说，虽然气候是一个关键因素，但不应该以牺牲其他因素为代价。
Too often when you stand up to give a speech, you focus on the "public" at the expense of the "speaking".
当你站起来演讲时，你常常会以牺牲“演讲”为代价去关注“公众”。
Instead, I agree with Oxford University philosopher Nick Bostrom, who believes that the heaviest risks from AGI do not come from a decision to turn against mankind but rather from a dogged pursuit of set objectives at the expense of everything else.
相反，我同意牛津大学哲学家尼克·博斯特罗姆的观点。他认为，AGI 最大的风险并非源自它违反人类的决定，而是源自其不惜一切代价对既定目标的执着追求。
If you expand your business at the expense of a customer, you eventually lose that customer.
如果以牺牲客户的利益为代价来拓展业务，最终你将失去客户。
However, this is at the expense of a strange syntax that may leave your colleagues scratching their heads.
但是，这样做的代价就是，会有一个奇怪的语法令您的同事备受困扰。
A fat client application's enhanced performance comes at the expense of a significant initial download and installation.
一个胖客户机应用程序的性能增强是以庞大的初始下载和复杂的安装为代价的。
They are concerned about managers doing things that drive up the share price quickly at the expense of a firm's lasting health.
股东牺牲公司的长远健康状态在所不惜，只关心经理人是否让股价快速上升。
To see why a serious cap-and-trade system doesn't have to come at the expense of economic growth, take a look at California.
让我们以加州为例分析一下为什么严格的总量管制与排放交易系统不会以牺牲增长为代价。
However, this was achieved at the expense of a halving of the workforce in the space of two years.
然而，这种转变的代价是在两年中裁掉一半的钢铁工人。
Conversely, flood lamps used in theatres and studios produce far more light (and, above all, more light of a higher colour temperature) at the expense of a much shorter life.
相反，剧院和工作棚里使用的泛光灯要亮得多（总之，色温越高亮度越大），但是它们为此付出的代价是短寿命。
Regulations were gutted for the sake of a quick profit at the expense of a healthy market.
因为急功近利而破坏规则，牺牲健康兴旺的市场。
Web applications can begin to break the chains of their thin client ancestors, which offer easier deployment of a networked application at the expense of user efficiency.
Web应用程序如打破其瘦客户机的桎梏，将能简便联网应用程序的部署，但却要以牺牲用户效率为代价。
Actress Susan Sarandon expressed the allure, saying that people who dedicate themselves to a cause at the expense of everything else "are really fascinating people."
演员SusanSarandon称那些不惜一切代价来将自己献身于某事的人是“非常迷人的”，非常有吸引力。
Spreadsheets such as Microsoft Excel facilitate more sophisticated sorting and filtering, but at the expense of losing the context a document provides.
诸如MicrosoftExcel的电子表格软件使较为复杂的排序和过滤变得容易，但这是以丢失文档提供的上下文关系为代价的。
Any history of bombing must also be a history of civilian casualty, for bombing saves the lives of soldiers only at the expense of other lives.
任何空袭的历史也必定是平民伤亡的历史，因为空袭救了士兵的性命只能以其他人的生命为代价。
A greedy person may become obsessed with money or prestige at the expense of his health or relationships.
一个贪婪的人也许变得对金钱或者名望过于着迷而不惜用健康或人际关系作代价。
The euro may yet make further ground as a reserve currency-at the expense of the smaller European currencies, the pound and the Swiss franc, if not the dollar.
欧元在储备货币的斗争中将继续攻城拔寨–如果遭殃的不是美元，也应该是一些较弱的欧洲货币，比如英镑和瑞士法郎。
But if you have only one or two children, the birth of a daughter may be at a son's expense.
但是，如果只有一个或两个孩子，一个女儿出生也就意味着少了儿子。
If so, the flurry of bilateral deals may have come at the expense of a world trade agreement.
如果这样子，突然增加的双边贸易协定就使得全球贸易协定的签订困难重重。
On the other hand, optimising the readability of the paper is always a good thing (except when it is at the expense of rigour or accuracy), and the effort put into doing so is appreciated by readers.
另一方面，优化论文的可读性总是一件好事（除非是伴随着牺牲准确性），读者们总会为你付出的这方面努力而心存感激。
In Belgium a local discounter, Colruyt, is gaining share at the expense of Carrefour and other pricier chains.
在比利时，当地一家折扣超市正在获得家乐福和其他价格昂贵超市的市场份额。
There's a chance your dry cleaner is cutting corners to save money — at the expense of your clothes.
你所去的干洗店有可能偷工减料以节省开支——以你的衣物受损为代价。
There's a chance your dry cleaner is cutting corners to save money — at the expense of your clothes.
你所去的干洗店有可能偷工减料以节省开支——以你的衣物受损为代价。
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