The chances for a promotion look really good, but before I get too old I want to see the world.
提升的机会确实无可挑剔,但是在我变得太老之前,我想去看看世界。
Now that they could ride horses, it became easier to hunt the bison, a type of cattle which used to exist in huge numbers on the plains of America.
当他们从一个营地搬到另一个营地去的时候,他们就可以利用这些野马来运载货物。既然土著人会骑马了,猎取野牛也就容易了。这种野牛以前是成群结队地生活在美洲平原上的。