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

我們開采的最寶貴資源不是礦物，而是人的潛力。

Change your conception of yourself and you will change your world.

我們不試圖預測未來；我們只是試圖買入便宜的東西。

農業的進步不僅要以產量衡量，還要以長期的環境影響來衡量。

It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

內省的方法必須嚴格控制。