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

In science, the credit goes to the person who convinces the world, not to the person to whom the idea first occurs.

Phenomena are the outer expressions of hidden essences.

People can’t remember more than 3 points from a speech.

挑戰在于使不可見的東西變得可見。

可能是公雞在啼叫，但下蛋的是母雞。

The best way to cheer yourself up is to try to cheer somebody else up.

解釋：人餓的時候，之所以不吃烏頭毒藥，是認為即使能填飽肚子，但是會馬上死去。