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

可持續(xù)發(fā)展不僅僅是保護樹木；它關(guān)乎確保自然和人類共同繁榮的未來。

The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

最好的管理是一門真正的科學(xué)，建立在明確的法律、規(guī)則和原則基礎(chǔ)上。

I don't care about money. I just want to create.

The future of energy must be built on both innovation and responsibility.

Our ability to perceive changes in things is because monads maintain a stable internal essence amid infinite changes.

在苦難時回憶幸福是最深的痛苦。

The future belongs to those who believe in the beauty of their dreams.

我們必須接受失望，因為它是有限的，但千萬不可失去希望，因為它是無窮的。