Language Point 38

In other words, face reality and be mature in your responses to life's challenges. (Para. 13)

Meaning: That is to say, when life's challenges come, don't escape from them but meet them as a brave man.

in other words: that is (to say); put a different way; differently expressed 换言之

Pressure on the surface of an object changes with the depth of the object below the surface of the water. In other words, the farther down you go, the greater the pressure.

物体表面的压力随着物体在水下深度的变化而变化。换言之，你越往下按，压力就越大。

The traveling library services have been reorganised—in other words, they visit fewer places.

流动图书服务得到了调整--换言之，他们服务的地方减少了。