色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

The land never lies, it repays what you put in.

The rat in the maze is not just learning a series of turns, but is building up a cognitive map of the whole situation.

沒有目標(biāo)的利潤(rùn)最終是不可持續(xù)的。

The beauty of a structure lies in its logic.

I'm interested in the human condition and what makes people tick.

信仰和知識(shí)的最終基礎(chǔ)是對(duì)上帝的信心。