It inspired me to make a drawing which was a flock of varied birds which represented mankind and humanity.

VOA: special.2009.09.02

And so, I need to cheat a little bit on the drawing and make sure that this minimum occurs right here.

所以，我需要在画时作点弊,以确保最小值出现在这儿。

麻省理工公开课 - 固态化学导论课程节选