That's really a complex systems problem, the kind of problems that engineers are very good at dealing with.

这真是复杂的系统性问题,解决这类问题,恰恰是生物医学工程的拿手好戏

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They thought they had the system solved, but then they had a bank run last year.

他们认为已经系统性解决了挤兑问题,但去年却又出现了银行挤兑

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These are going to be fairly common-sense definitions, but they're important, and when you get to a problem set, really nailing down what the system is, not more, nor less, in terms of the amount of stuff, that's part of the system, it's going to be often very crucial.

这些是,很常识性的定义，但是很重要，当你要解决问题时，务必要搞清楚系统是什么，它包含多少物质，不能多也不能少，这往往,是非常重要的。

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