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

任何系統(tǒng)的能量最終都來源于太陽，并以某種形式返回到宇宙中。

建筑的詩意在于它框定生活的能力。

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

教育不是為生活做準備；教育本身就是生活。