当出现滑坡风险时要极其保守，当需要极少资金投入的机会出现时要十分积极主动。
Be hyperconservative when it comes to downside risk, hyperaggressive when it comes to opportunities that cost you very little.
车辆流量的变化从一个区域传导到另一个区域的方式极其复杂，但一些模型如元胞自动机算法，对研究这个过程如何发生十分有用。
The way the flow transitions from one regime to another is hugely complex but a number of models, in particular those using cellular automaton, have become useful in studying how it occurs.
碳纤维可以被用于代替钢铁或是铝，但其造价十分昂贵；它不仅有极其强的张力，而且质地非常的轻。
Carbon fibre is an expensive alternative to making things in steel or aluminium, but besides being extremely strong it is also very light.
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