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 Internet is a powerful tool for education, communication, and collaboration.

創造力的主要敵人是"良好"的判斷。

"We are all in the gutter, but some of us are looking at the stars."

The true genius shudders at incompleteness - and usually prefers silence to saying something which is not everything it could be.

戰略聯盟是企業擴展市場的重要手段。

"When you're fighting for a championship, every point counts."