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They could even offer paid parental leave .

他们甚至可以提供有薪双亲假。

After breastfeeding , it is the most energetically expensive parental duty known to mammals .

对于哺乳动物来说，这是既哺乳期后最花费精力的要尽的双亲责任。

And do these relative levels of mental ability remain the same as we grow up or do they vary according to the affluence of parental homes ?

并且这些相关的智能水平是否在我们成长过程中也保持着同样的差异还是根据双亲家里的殷实程度而有所变化呢？

Worse than parental leave , she says , is the 120-day annual allowance for parents to tend to sick children , which is impossible to plan and which is suspected of being widely abused .

她说比双亲产假更为糟糕的是给予照顾患病儿童家长的多达120天的年度津贴，这让企业很难做出预先计划，并且怀疑这个政策被广泛滥用了。

Bodil sonesson gallon , head of sales at axis communications , an it company that specializes in video surveillance , admits that parental leave can be disruptive - for careers and companies .

波蒂尔松纳森加仑（bodilsonessongallon）是专攻视频监控的it企业安讯士（axiscommunications）公司的销售主管，她承认双亲产假对于职场和公司来说都具有破坏性。