English-Chinese/Life expectancy

Life expectancy is how long a person is expected to live. It is based on many factors such as country and lifestyle including smoking, diet, and exercise.

预期寿命 是 一个人 活多久的 预期. 它 基于 许多 因素，如 国家 和 生活方式，包括 吸烟，饮食 和 运动.