A navigator can know the latitude of his ship by observing the location of stars, where the sun rises in the morning and sets in the evening, and what time of year it is.

VOA: special.2010.07.14

Depending on how far the planet is from the Sun and where it's located, you will get the left-hand side.

取决于行星到太阳的距离以及行星的位置,你就能列出等号左边的式子

耶鲁公开课 - 基础物理课程节选

I was born on the plains where the wind blows free, and there is nothing to break the light of the sun.

VOA: special.2010.04.01