我们现在是一比二。

Now we go to the one-to-two.

youdao

如今这个比例是一比四，而且到2050年这个数字将逐步变为一比二。

Now it is four to one—and on course to be two to one by 2050.

youdao

它更像一张比例尺一比二的地图：你看得到坑洞，但无法知道风景的很多信息。

It is more like a map on the scale of one foot equals two feet: you see the potholes, but you do not learn much about the scenery.

youdao

Well because you can, because it's less expensive to do so than it is elsewhere in the world and people naturally like sweet tastes.

一是因为你能做到,二是因为这么做的成本比在其他国家低,更何况人们天生喜欢甜味

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, they had the ratio of two to one, which gave them the octave, and three to two, which gave them the fifth, and four to three, which gave them the fourth.

他们发现,八度音程中,呈现的是二比一的比例,而五度音程中呈现三比二的比例,在四度音程中则呈现四比三的比例

耶鲁公开课 - 聆听音乐课程节选

They're irrational numbers and these irrational numbers like to move to rational numbers; they like to move to consonances; they like to move to intervals that are based on things such as two to one and three to two or maybe four to three.

它们是无理数,而这些无理数想要变为有理数,它们想变成和谐音,就要根据一些比率改变音程,比如二比一,三比二,或四比三的比率

耶鲁公开课 - 聆听音乐课程节选