现在的挑战是要设计一个具有监管力度的金融系统，所有措施和重点都要放在这个系统上，而不是系统中个个别部分。
The challenge now is to design a regulator for the finance industry that actually measures and focuses on systemic risks, rather than on the individual parts of the system.
执行算法是很无聊的，但设计算法很有趣，是智力上的一种挑战，也是计算机科学的核心部分。
Executing algorithms is boring, but designing them is interesting, intellectually challenging, and a central part of computer science.
各公司不断地尝试改进导线设计，但其中一个问题(即挑战)是，试验测试很难准确模拟人体上发生的事情。
The companies continually try to improve lead designs but one of the problems is, which is a challenge, for bench testing, it is hard to mimic exactly what happens in the human body.
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