The key to this problem is to control the amount of rescuing material and keep it in a rational degree. Subsequently, this reasonable system will exert better function.

问题的关键是控制救援物资的数量，使它们保持在合理的范围内，这一合理制度才能更好地发挥作用。

youdao

Urban stormwater management system with rational structure and function is necessary to improve management effectiveness, reduce the error in decision and lower the impact of urban stormwater.

结构和功能合理的城市暴雨雨水管理系统对提高管理效率、降低决策中的人为失误、减少城市暴雨雨水的影响有着重要作用。

youdao

Medical security system should become a whole with rational structure and function under perfect related policies.

医疗保障制度应在完善相关政策的条件下形成结构、功能合理的系统整体。

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The global economy is a complex system and is a function of millions of individual actors making decisions for both rational and irrational reasons.

FORBES: The Bailout Mentality -- The REAL "New Normal"