Mitigating factor: the opposite of a normal factor, a mitigating factor modifies the spell but makes it easier to cast.

减轻要素：与普通的要素相对应，他们使法术的施展难度相应降低。

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For such reasons, we can assume that there must be an important random factor in neural development, and in particular, that errors must and do occur in the development of all normal brains.

基于这些原因，我们可以假设在神经发育过程中一定存在一个重要的随机因素，特别是在所有正常大脑的发育过程中确实也会发生错误。

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Sipkins said it appears the cancer overproduces a normally expressed molecule called a stem cell factor, which entices normal stem cells into the cancer niche.

斯普金思说，看来癌细胞大量产生一种以正常方式传送的分子，名为干细胞因子，这种分子会引诱正常干细胞到癌细胞的处所。

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Also, we see the much lower than historically normal dividend as a negative factor in our analysis, and a return to more normal levels would be greeted positively by our methodology.

FORBES: Don't Look For A Big Dividend Hike From Dimon

When it comes to individual bank decisions on mortgage rates - and deposit rates for savers - the Bank is much less of a factor today than in more normal times, precisely because the official base rate has been so low, for so long.

BBC: Quantitative easing for whom?

Forty-nine percent and 61% of overweight and obese adolescents, respectively, had at least one risk factor, compared to just 37% of normal-weight kids.

CNN: Nearly 1 in 4 U.S. teens facing diabetes