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

好奇心是創新的引擎。

The older I get, the more I realize that the only thing that really matters is love and relationships.

I don't compete with anyone but myself.

Sustainability is not an option; it's a responsibility we owe to future generations.

Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.

The language of mathematics is universal, transcending cultural and linguistic barriers.

唯一真正重要的是我們擁有的關系。