It's an effort to try to get the complexity of fifty different regulators uniform.

要让如此复杂的五十个不同的监管体系,统一起来是需要付出努力的

耶鲁公开课 - 金融市场课程节选

I didn't have the commercial price for the chickenpox vaccine called Varivax but you can imagine that it's even more than $50 a dose for that one.

我不知道水痘疫苗,伏痘敏的商业价格,但是你可以想象一下,这种疫苗每支的价格要超过五十美元

耶鲁公开课 - 生物医学工程探索课程节选

The first is this era, of the 1820s, '30s, '40s and '50s, Antebellum America, exemplified most obviously by the anti-slavery movement, which is where we're going to get to as we leave today.

第一个时期,是十九世纪二十年代,三十年代,四十年代和五十年代,内战前的美国,废奴运动就是其典型,这是我们今天下课前要弄明白的

耶鲁公开课 - 美国内战与重建课程节选

Now, Ludwig van Beethoven was in his fifties when he was working on his last symphony-- what would prove to be his last symphony-- his Ninth Symphony, and he'd been tinkering with this particular melody all the way back to probably 1803, so it's about twenty years or so.

路德维希·凡·贝多芬在五十多岁时,创作了他最后一首交响乐,后来成为他最后的交响曲,就是他的第九交响曲,他一直在锤炼这段旋律,也许要追溯到一八零三年,所以大概经历了二十个年头

耶鲁公开课 - 聆听音乐课程节选

And one day so I was eating my ice-cream because the archives were closed, and this woman came up, and she was probably about fity, or something like that, and she ordered ice-cream, and so this guy says, "Well, Madame whatever, Madame Dupuis, you remember that day don't you, when the Germans came back?" And she said, "Oh I sure do, they hung my husband from that pole."

有一天我正吃冰激凌呢,因为档案馆关了,有个女人过来,她大概有五十岁,她要了个冰激凌,然后这哥们说,"我也忘了什么夫人了,杜普斯夫人,你还记得那天吧,德国人来的那天",然后她说,"我当然记得,他们把我丈夫吊在那根柱子上"

耶鲁公开课 - 1871年后的法国课程节选