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 beauty of science is that it is constantly evolving and there is always something new to discover."

把肉扔在餓虎出沒的小路上，禍患就無可挽救了。主動招惹麻煩，怎么可能平安無事。

I couldn't remember the reason for living, and when I did it wasn't convincing.

藝術不是反映現實的鏡子，而是塑造現實的錘子。

成功的衡量標準不僅僅是利潤，還有我們對世界的積極影響。