A people without children would face a hopeless future; a country without trees would face a future with even less hope.
世界是一個(gè)非常復(fù)雜的地方，而且它并沒有變得簡(jiǎn)單。
阿秒時(shí)間尺度對(duì)于電子運(yùn)動(dòng)的研究，就像高速攝像機(jī)對(duì)于研究動(dòng)物運(yùn)動(dòng)一樣重要。#
The love for all living creatures is the most noble attribute of man. ?