发展过程简单来说就是:在每一代中,两个亲本性状都会出现,分离且不变。
It takes a strong man to save himself, and a great man to save another.
In mathematics, the art of proposing a question must be held of higher value than solving it.
采矿业必须进化否则就会过时,没有中间地带。
凡是圣人制造的这些东西,无一不是有益于实用才去做的,所以使用财物不浪费,民众能够不劳苦,他兴起的利益太多了。