大部分人类的特征都是由多个基因因子共同作用控制的，而对他们复杂的作用机制，虽然人们进步很大，也还是不能完全了解。
Most human traits are controlled by multiple genetic factors, and knowledge about their complex workings, though accelerating, is incomplete.
我们可以把它当作这个时代的特征，甚至是时代的进步：Twitter已经出台政策来处理用户去世后遗留账户所有权的问题。
Consider it a sign of The Times, or even just success that Twitter now has a policy in place to handle ownership of a user's account once they've died.
而在实际中，技术进步是随时间加速的，并不呈现中性特征。
However, in fact, technical progress is accelerated with time and doesn't appear neutral.
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