English-Chinese/Insufficient physical activity (defined as less than 5 x 30 minutes of moderate activity per week, or less than 3 x 20 minutes of vigorous activity per week) is currently the fourth leading risk factor for mortality worldwide

Insufficient physical activity (defined as less than 5 x 30 minutes of moderate activity per week, or less than 3 x 20 minutes of vigorous activity per week) is currently the fourth leading risk factor for mortality worldwide.

体力活动不足（定义为每周中等活动少于5 x 30分钟，或每周少于3 x 20分钟的剧烈活动）是目前全球死亡率的第四大风险因素。