然而，尽管统治精英的更替代价不菲，但更替失败的话结果将是灾难性的。
However, while changing elites can be costly, the failure to do so can be disastrous.
这样的结果之一是，英语容忍的替代性拼写比其他语言要多出许多。
One result of this is that English tolerates many more alternative spellings than other languages.
新的研究结果已经在美国医学会杂志上公布出来，发现激素替代疗法的时机选择对心血管疾病有影响性的改变。
The new research, published in the Journal of the American Medical Association, found HRT's timing could influence its effect on cardiovascular disease.
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