With a shortage of chromosomes, a developing fetus will likely grow into a child with down syndrome.
如果缺省染色体,一个处于成长阶段的胚胎可能发育成一个具有不良综合症的小孩。
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道,办这所学校要花很多的钱,我们需要很多好教师。