In other words, it's not certain which came first: the health benefits of red wine, or that wine drinkers are healthy people.
换句话讲，很难判断喝葡萄酒的人更加健康是因为葡萄酒对人身体的好处，还是因为喝葡萄酒的人本身更加健康。
The relationship between black holes and their host galaxies poses a chicken-and-egg conundrum for astronomers, long curious about which came first.
黑洞和其所在的星系之间的关系就像是天文学家的先有鸡还是先有蛋的谜题，他们已经困惑哪个在先很久了。
For example, she"never knew which came first, the Greeks or the Romans."
例如有这样一桩有趣的事……「她永远弄不清楚，是先有希腊，还是先有罗马。」
Call it the chicken-and-egg debate of the addiction world: Cocaine addicts are known for being frenetic, but which came first, the behavior or the habit?
这是药物成瘾领域中所谓“鸡生蛋还是蛋生鸡的争论”：大家都知道可卡因成瘾者近乎发狂，但是行为和习惯到底哪一个先出现呢？
Which came first, the eggs or the algae?
卵或藻类，何者在前？
Which came first, black holes or galaxies?
是先有黑洞呢？还是先有星系？
Which came first, the quasar or the galaxy?
类星体和星系哪一个形成在前呢？
S. Haldane remarked, "the most frequently asked question is: 'Which came first, the chicken or the egg?"
霍尔丹谈论到：“人们最常问的问题是：‘先有鸡还是先有蛋？”’
The problem of the origin of the universe, is a bit like the old question: Which came first, the chicken, or the egg.
宇宙起源的问题有点儿像这个老问题：是鸡生蛋，还是蛋生鸡？
LONG BEACH, Calif. - Astronomers may have solved a cosmic chicken-and-the-egg problem: Which came first - galaxies or the supermassive black holes in their cores?
加州长滩市—天文学家也许已经解决了宇宙的鸡与蛋问题：星系和星系核心的特大质量黑洞哪个最先出现？
LONG BEACH, Calif. - Astronomers may have solved a cosmic chicken-and-the-egg problem: Which came first - galaxies or the supermassive black holes in their cores?
加州长滩市—天文学家也许已经解决了宇宙的鸡与蛋问题：星系和星系核心的特大质量黑洞哪个最先出现？
应用推荐