我们才刚刚开始触及理解我们的身体如何感知环境的表面。
We are just beginning to scratch the surface of understanding how our bodies perceive the environment.
如果你面对去年的自己不感到尴尬的话,你目前可能学习得不够努力。
I was neat, clean, shaved and sober, and I didn't care who knew it.