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

A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.

"The only way to do great work is to love what you do."

數學的美在于它能夠簡化復雜的現象。

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

América Latina es el continente de la utopía y la nostalgia.

幸運，其實就是準備遇到了機會。