(1)管理；指导；控制

(2)管理活动；经营活动；管理事务的行为
包括以指导、规章或行政等手段进行管理，如家务、服务、企业或重要事务的管理。

• Riparum usus publicus est jure gentium, sicut ipsius fluminis.
• ripe for judgment
• ripe for review
• ripeness doctrine
• riptowell
• rising of court
• risk
• risk arbitrage
• risk assumed
• risk-benefit test
• risk capital
• risk capital test
• risk factor
• risk incident to employment
• risk incurred
• risk management
• risk of buyer
• risk of employment
• risk of seller
• risk of war
• risk premium
• risks and causes of loss
• risks of navigation
• risk-utility test
• rivage