He gives about $150 from his earnings as a street vendor and private language teaching.

他从自己做街头小贩和私人语言辅导的收入中拿出大约150美元。

For example, one may be left-handed, the other right-handed, some identical twins may develop their own private language.

例如，一个可能是左撇子，另一个是右撇子，一些同卵双胞胎可能会发展出自己的私人语言。

There are between 3000 and 6000 public languages in the world, and we must add approximately 6 billion private languages since each one of us necessarily has one.

世界上有 3000 到 6000 种公共语言，我们必须添加大约 60 亿种私人语言，因为我们每个人都必须拥有一种。

Chomsky meant that underneath all the differences between public and private languages, there is a universal language mechanism that makes it possible for us, as infants, to learn any language in the world.

乔姆斯基的意思是， 在公共语言和私人语言之间的所有差异之下，存在一种通用的语言机制， 使我们作为婴儿有可能学习世界上的任何语言。

Her eyes moved over the words. At first they made no sense to her. Then she remembered. " Lysa took no chances. When we were girls together, we had a private language, she and I. "

她的眼神扫过内文，起初看不出所以，随后才猛然醒悟：" 莱莎行事谨慎，不肯冒险。我们年幼时发明了一种秘密语言，只有我和她懂。"