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

最大的風險是根本不承擔任何風險。

釋義：世間繁雜的事情看之不盡，天下的書籍讀之不盡，世界的道理參悟不盡。

If you cannot do it, then teach.

"A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world."

最好的科學往往來自意想不到的地方。