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

預測未來的最好方法就是創造未來。

Technology is a way of revealing.

Laws, in their most general signification, are the necessary relations arising from the nature of things.

最少的材料，最大的效果。