单词chicken-and-egg
adj.: 难分因果关系的
网络: 鸡生蛋；先有鸡还是先有蛋；蛋相生
难分先后的,难分因果关系的
How life had first made proteins without enzymes, which presumably had to be proteins themselves, had been a chicken-and-egg conundrum.
生命最初如何在没有酶（可能是蛋白质本身）的情况下合成蛋白质？这是个鸡与蛋谁先产生的难题。
It"s a chicken-and-egg problem, says John Adams, a professor of geography at University College in London.
伦敦大学学院地理学教授约翰·亚当斯说，这是一个鸡生蛋还是蛋生鸡的问题。
It wasn"t quite the right idea, as Jan Pazdziora gently pointed out, due to a (very common) chicken-and-egg problem with the cert.
当时JanPazdziora很礼貌的向他指出这个想法并不十分正确，原因是关于证书的一个常见的“鸡生蛋还是蛋生鸡”问题。
Unfortunately, the payments industry in the United States has been locked in a chicken-and-egg situation.
令人遗憾地是，美国支付行业已陷入了一种鸡和蛋的情形。
Plenty of studies have established a link between religion and well-being, but the relationship poses a chicken-and-egg kind of problem.
一些研究建立了宗教和福祉的联系，但是这个联系却提出了一个类似先有鸡还是先有蛋的问题。
Some clues to how China is solving this chicken-and egg problem can be seen in the companies involved in the initial trial.
关于中国正在如何解决这个“先有鸡，还是先有蛋”的问题，从试点企业中可以一窥端倪。
Sadly, this is a chicken-and-egg situation: you get to demonstrate the value of your advice only if it"s being implemented.
遗憾的是，这是一个鸡和蛋的问题：你可以证明你的建议的价值，当且只当它们被贯彻执行。
"That"s a little chicken and egg, but she led the way and you have to give her the credit, " says a colleague.
这有点像鸡和蛋的关系，但她是引路人，你不得不冠以她这项殊荣。
We need a loan so start the company and we need a company to get the loan. It"s a chicken and egg situation.
我们需要贷款来启动公司，而我们又需要一个公司来获得贷款。这是一个鸡与蛋的形势。
In the northern state of Uttar Pradesh, a classic "chicken-and-egg" scenario is playing out, according to reports in the local media.
据当地媒体报道，印度北方邦出现了一幕典型的“先有鸡还是先有蛋”的情况。