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

一個有信仰的人，他的社會力量，是相等于九十九個僅僅只有著各自、各樣興趣的人。

The beauty of theoretical physics lies in its ability to describe the universe with a few simple equations, revealing the underlying simplicity beneath the apparent complexity.

弄虛作假不能長久，遮掩虛假不能長遠。

You can be the ripest, juiciest peach in the world, and there's still going to be somebody who hates peaches.

數學不僅僅是關于數字、方程、計算或算法：它是關于理解的。