森把人类的幸福更多地归结为人类选择自由的拓展以及人类的能力自由的提升。
Sen concluded our happiness as human's free choices and the ehancement of ability at will.
“多溴二苯醚含量的提升对于生育能力的下降是一个危险因素，”长期研究人类在阻燃剂环境中的生存状况的阿德诺博士说道。
"Elevated levels of PBDEs might be a risk factor for reduced fertility," said Schecter, who studies how people are exposed to the flame retardants.
现在我们已经证明了人类医学进行面部移植的技术和能力又有了新的提升。
Now we have proven that the technology, the ability to transplant faces, has advanced.
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