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 history of mathematics is a history of human curiosity and ingenuity.

質量在價格被遺忘后仍會被長久記住。

And I'm a house of cards?Drop everything now?Meet me in the pouring rain?Kiss me on the sidewalk?Take away the pain?Cause' I see sparks fly whenever you smile

Quality begins in the orchard, not in the laboratory.

I'm not a person who likes to be standard.

人類的所有成就都源于創造性幻想。那么我們沒有權利輕視想象力。