研究者们相信：在异源环境中，多种多样的基因型是一项有用的生存工具。
The researchers believe that a more diverse set of genes is a useful survival tool in a heterogeneous environment.
“红区”则是危险性更大的电脑环境，那里有因特网浏览者以及日新月异的程序。
"Red zones" would be the riskier computer environments, where Internet browsers and everyday computer programs would be stored.
罢了，我们保守主义者必须接受日新月异的手持设备在长期看来对写一封书信的古老艺术不会有任何奇妙的作用。
No, we conservatives must accept that the profusion of ever more beautiful handheld devices is not, in the long run, going to do wonders for the old art of writing a letter.
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