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 future of coal depends on balancing economic growth with environmental responsibility.

導演是關于合作的；它是關于將一群有才華的人聚集在一起，創造出比各部分總和更偉大的東西。

The goal of synthesis should be to make molecules as easily as possible, not just possible.

To sing is to pray twice.

教育就是當一個人把在學校所學全部忘光之后剩下的東西。

The architect must be a poet.

生命、自由和共同禮儀的最壞敵人是完全的無政府狀態；它們的第二壞敵人是完全的權力。