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

每個數(shù)學問題都有一個解決方案；只是需要時間和努力去找到它。

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

The true adventurer goes forth aimless and uncalculating to meet and greet unknown fate.

偉大的公司建立在偉大的文化之上，而偉大的文化建立在信任和尊重之上。