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

Free vaccines are more valuable than expensive treatments, yet harder to promote.

【釋義】見識的少，感受到奇怪的事就多，這是世之常理。【延伸】《誤殺》里有一句經典臺詞：當你看過一千部電影，就會發現這個世界上根本沒有離奇的事情。見識越廣，計較越少，經歷越多，抱怨越少，越閑，越矯情。

Sustainability isn't an option; it's a responsibility we owe to future generations.

復雜性不僅僅是系統中組件的數量，而是它們相互作用的性質。

The best is yet to be, the last of life, for which the first was made.

我不是那種會讓對我尊重的愛減少的人。