The interesting thing is that it means that the value of consol moves inversely to the interest rate.

有趣的是,它意味着,债务的价值向着利率的相反方向变化

耶鲁公开课 - 金融市场课程节选

This was a problem but the direction is constantly changing.

在这个问题中,但是方向是在不断变化的

耶鲁公开课 - 基础物理课程节选

Which direction is that going to move the numbers?

那么数字会向哪个方向变化呢

耶鲁公开课 - 金融市场课程节选

The fact that when you go in a circle, you accelerate is what we're learning here, coming from the fact that velocity is a vector and its change can be due to change in the magnitude or change in direction.

而当你做圆周运动时你也在加速,这是我们在这里所学到的,原因就在于,速度是一个矢量,其变化可以通过改变模长,或者方向来实现

耶鲁公开课 - 基础物理课程节选

It can be x plus some change in x plus j times y plus a change in y.

可以写成 x 加上 x 方向的变化量,再加上 y 加上 y 方向的变化量

耶鲁公开课 - 基础物理课程节选

It's got a change in x and it's got a change in y.

在 x 方向和 y 方向上分别发生了变化

耶鲁公开课 - 基础物理课程节选