Millions of new mothers and fathers

Millions of new mothers and fathers
take on a job each year that ranks among the most difficult anyone can have:
taking an infant, a little person who is almost totally helpless, assuming full
responsibility for his physical and psychological health and raising him so he
will become a productive, cooperative, and contributing citizen. What more
difficult and demanding job is there? Yet, how many parents are trained for it?

結果 (中文) 1:

数以百万计的新母亲和父亲带上一份工作跻身最困难的人每年可以有：带婴儿，一个小小的人是几乎完全无助，假设全他身体和心理的健康和提高他所以责任他将成为生产力，合作，和有贡献的公民。更多那里是困难和最苛刻的工作吗？然而，多少父母会接受训练，它呢？

結果 (中文) 3:

数以百万计的新的母亲和父亲
承担工作的每一年，排名最困难的人之间可以有：
参加婴儿，一个小的人，几乎完全是无助的，假设
负责他的身体和心理健康、提高了他让他
将成为生产，合作，和贡献的公民。更
困难和艰巨的工作吗？然而，有多少父母训练吗？